c******n
发帖数: 4965 | 1 http://www.youtube.com/watch?v=rsFjUJWy4Jk
for people interested in purchasing a boat engine, here is a fun way to
do it cheap: buy an old working lawn mower, and connect it to a propeller.
lawn mower can be found for 60$, propeller can be probably found on ebay.
from the video, it looks performance is pretty good (10mph) |
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o******u
发帖数: 630 | 2 The following vessels do not have to be registered in California:
Vessels propelled solely by oars or paddles.
Nonmotorized sailboats that are eight feet or less in length.
Nonmotorized surfboards propelled by a sail and with a mast that the
operator must hold upright.
A ship’s lifeboat (a dinghy is not a lifeboat).
Vessels currently and lawfully numbered (registered) by another state that
are principally used outside California.
Vessels brought into California for racing purposes only (exempted... 阅读全帖 |
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f*********n
发帖数: 11154 | 3 http://www.winchester.com/library/news/Pages/News-Product-Warni
Olin Corporation, through its Winchester Division, is recalling twelve (12) lots of its RANGER® 223 Remington 64 Grain Power-Point® (PP) centerfire rifle ammunition (Symbol Number RA223R2).
Lot Numbers (last four characters): DM70, DM80, DM90, DM01, DM11, and DM21
Lot Numbers (last four characters): DK01, DK11, DK21, DK31, DK41, and DK51
Through extensive evaluation Winchester has determined the above lots of RANGER® Law... 阅读全帖 |
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c****t
发帖数: 19049 | 4 newbies' theory. very good, very imaginary and very useless theory
swimming depends on muscles and endurance.
to swim fast, you need increase the frequency of propeling the water,
whatever you use, arms or not. and that's why most people' upper body shape
will change, and exactly why the top professionals "do not even look fit"
if you don't want to build too much upper body, just decrease the frequency
of propelling water and try to maintrain your "aerobatics" goal. |
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i*********5
发帖数: 19210 | 5 【 以下文字转载自 Triathlon 俱乐部 】
发信人: ironman2015 (ironman circa 2015), 信区: Triathlon
标 题: Bigfuzzydoug’s Ten Points to Swimming
发信站: BBS 未名空间站 (Thu Jan 13 09:23:59 2011, 美东)
Bigfuzzydoug’s Ten Points to Swimming:
http://www.beginnertriathlete.com/discussion/forums/thread-view
The key to swimming is reducing drag, not endurance or powering through the
water. This is not just my opinion; it is the law of physics. I’ll
explain it in a simple way: When you bike, you have to push air in front of
you ou... 阅读全帖 |
|
i*********5
发帖数: 19210 | 6 How Champions Do It
http://coachsci.sdsu.edu/swim/champion/evans.htm
JANET EVAN'S FULL STROKE AT 625 m OF HER 800 m GOLD MEDAL SWIM AT THE
BARCELONA OLYMPIC GAMES 1992
Each frame is .1 second apart. The swimmer breathes at the end of each right
arm pull.
Notable Features
Frame #1: This picture illustrates a feature of most top crawl-stroke
swimmers. The right arm entry is made at full stretch (no underwater gliding
) and is accommodated by a very linear posture in the total swimmer. The
uppe... 阅读全帖 |
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S*A
发帖数: 7142 | 7 新草坪的话出了成年叶子才行， >2 inch.
点 overseed, 我是割的，我割很高，新的草也够不到，问题不大。
尽量避免压，特别是 self propel 在新草上面打滑就是了。
新草最好不要用 self propel. |
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S*A
发帖数: 7142 | 8
grass has adult blades. cut from high tip like 2.5 inch.
over 20 days of seeding, yes.
降低频率，总的水量不要变。这点很重要。慢慢过渡，例如一天多一天少，
然后两天一浇，三天一浇。搞到三天以后开始慢慢减少水量到 1 week 1 inch.
但是一定要慢慢过渡，仔细看有没有草被 stress. 一般喷水不均匀的地方就
在这个时候体现出来了，那里的草先被 stress. 然后你的水量就被这个不均与
的地方卡住了，要保住最少的地方死不了，所以均匀非常重要。
mow
Right. Don't use the self propel function. The self propel can ruin
your tender grass. |
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l*t
发帖数: 10829 | 9 墙裂建议买个 gas-powered self-propelled lawn mower
烧汽油的功力都大
千万别买手推的，一定得self-propelled，省力不累 |
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j**p
发帖数: 1257 | 10 在MSNBC看到Eric X. Li和裴敏新辩论中国民主的结尾。
Eric X. Li 用流利的中式口音英语吐槽东亚文明不适合民主，证据就是台湾韩国前总
统纷纷入狱...
完整的video在这里。
http://blog.hiddenharmonies.org/2012/07/aspen-ideas-festival-de
找到几篇大作，都是发在nytimes等等主流英文媒体上的。
司马南看到大概只能感叹英文老师死得早了。
李世默：西方民主正在走向灭亡
DEMOCRACY’S COMING DEMISE
SHANGHAI -- As the U.S. presidential election shifts into high gear this
week Washington hosts China's Vice President Xi Jinping heir apparent of the
emergent super power. The world's most powerful electoral democracy and the
largest one-party s... 阅读全帖 |
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t****g
发帖数: 35582 | 11 据说self propell的容易坏，是么？
我家坡度不大，大概1%左右吧(100ft下降1ft，估计)，需要self propell么。不过考虑
LD要能推，她劲小。 |
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t****g
发帖数: 35582 | 12 我在比较前段时间那个craftsman sel propell的和前两天amazon那个手推的。
都是honda engine。
看review说self propell的轮子容易坏，尤其是前驱？如果坡度不大手推不费力我就用
手推的好了。 |
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d********l
发帖数: 4221 | 13 绝对要用self propell的
就算0坡度, 没有self propel推着都很费劲的
ld基本搞不定 |
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C****g
发帖数: 2220 | 14 2012 U.S. diplomatic missions attacks
From Wikipedia, the free encyclopedia
This article documents a current event. Information may change rapidly as
the event progresses. (September 2012)
2012 U.S. diplomatic missions attacks
Location of Libya (green) and Egypt (orange) within Africa.
Location Cairo, Egypt
Benghazi, Libya
Sana‘a, Yemen
Date 11 September 2012 (Libya)[1]
11 September 2012 – ongoing (Egypt) [2]
13 September 2012 (Yemen)
Target US and Israelis
Attack type Raid
Weapon(s... 阅读全帖 |
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j****x
发帖数: 943 | 15 I guess what you mentioned is the typical Multiple Reference Frame
kind of thing that Fluent would suggest. or a sliding interface kind
of method. But in this case, which is different from models like
stirring things in tank, how big the boundary surface should be?
On a second note, the propeller would be in a low rpm range, say 100-
200 rpm for huge vessels. The paper is about cavitation of propellers,
it's quite different.
given such
blades,
way, you
(blades)
is
pressure |
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b**c
发帖数: 23 | 16 I had a very pleasant interview in ECU pathology too. I agree with HoneyAB,
that the new PC is very charming and warm. She is the kind of person you
want to talk to whenever possible. She's from Oklahoma and moved to
Greenville, North Carolina with her family. She obviously enjoys
the new place, her work and role in the pathology department. This makes me
think that Greenville, NC must be a cool place to live and raise family,
and the department has a very collegial and relax environment.
There ... 阅读全帖 |
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z******8
发帖数: 844 | 17 ☆─────────────────────────────────────☆
rhcrc11 (Rebel) 于 (Tue Mar 25 22:35:47 2014, 美东) 提到:
Background: 去年因为各种原因，麦地有点萧条，作为申请人不见好贴心里不免焦虑。
就在此环境中，几位既往study partner组了个pathology iv group。宗旨：此群不练
习iv，只用于定期交流各pg面试情况。
Material and Method: skype group, 不定期组会。
Result: 小组共15名成员，8名match path，4名match IM。
Conclusion: 虽然当年麦地求助无门，却发现4～7年前各位前辈热心的面经分享，受益
无穷，给面试增添不少信心。遂鼓动小组全体成员，独乐乐不如众乐乐，为2015申请
path童鞋鼓鼓气。
P.S: 个人能力有限，此贴分享仅供参考，不负责信息正确度。
我们也仅将所知晓信息共享，拒绝私下联系。
☆─────────────────────────────────────☆
r... 阅读全帖 |
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i*********5
发帖数: 19210 | 18 Bigfuzzydoug’s Ten Points to Swimming:
http://www.beginnertriathlete.com/discussion/forums/thread-view
The key to swimming is reducing drag, not endurance or powering through the
water. This is not just my opinion; it is the law of physics. I’ll
explain it in a simple way: When you bike, you have to push air in front of
you out of the way. The bigger the frontal section of your body and bike,
the more air you have to move. What’s worse is that it’s not a one to one
relationship. An increas... 阅读全帖 |
|
i*********5
发帖数: 19210 | 19 Bigfuzzydoug’s Ten Points to Swimming:
http://www.beginnertriathlete.com/discussion/forums/thread-view
The key to swimming is reducing drag, not endurance or powering through the
water. This is not just my opinion; it is the law of physics. I’ll
explain it in a simple way: When you bike, you have to push air in front of
you out of the way. The bigger the frontal section of your body and bike,
the more air you have to move. What’s worse is that it’s not a one to one
relationship. An increas... 阅读全帖 |
|
i*********5
发帖数: 19210 | 20 Bigfuzzydoug’s Ten Points to Swimming:
http://www.beginnertriathlete.com/discussion/forums/thread-view
The key to swimming is reducing drag, not endurance or powering through the
water. This is not just my opinion; it is the law of physics. I’ll
explain it in a simple way: When you bike, you have to push air in front of
you out of the way. The bigger the frontal section of your body and bike,
the more air you have to move. What’s worse is that it’s not a one to one
relationship. An increas... 阅读全帖 |
|
w*******y
发帖数: 60932 | 21 batman:
http://www.amazon.com/gp/product/B003Y8YLOQ
Product Features
* Twin propeller sytem with two additional tail propellers
* 2 frequency controller, allows boys to interact together while playing
* Most apppropriate for indoor and outdoor
* Controller includes 8 functions
* Characters are 5"
|
|
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d******r
发帖数: 4 | 23 【 以下文字转载自 Military 讨论区 】
发信人: docluver (docluver), 信区: Military
标 题: UCLA开放课程：中国的兴与衰 Fall and Rise of China
发信站: BBS 未名空间站 (Wed Jan 5 11:02:40 2011, 美东)
发信人: docluver (docluver), 信区: WaterWorld
标 题: UCLA开放课程：中国的兴与衰 Fall and Rise of China
发信站: BBS 未名空间站 (Wed Jan 5 11:02:10 2011, 美东)
UCLA开放课程：中国的兴与衰 Fall and Rise of China
中国的兴与衰
（这是网上找到的最全的集合，欲下从速，删除后不再重新上传）
更多纪录片、教学视频请访问：http://www.docwiki.org
Course No. 8370 (48 lectures, 30 minutes/lecture)
Taught by Richard Baum
University of California, L... 阅读全帖 |
|
w******3
发帖数: 3 | 24 【 以下文字转载自 WaterWorld 讨论区 】
发信人: wmz55123 (wmz55123), 信区: WaterWorld
标 题: UCLA开放课程：中国的兴与衰 Fall and Rise of China
发信站: BBS 未名空间站 (Fri Jan 7 08:38:40 2011, 美东)
UCLA开放课程：中国的兴与衰 Fall and Rise of China
中国的兴与衰
（这是网上找到的最全的集合，欲下从速，删除后不再重新上传）
更多纪录片、教学视频请访问：http://www.docwiki.org
Course No. 8370 (48 lectures, 30 minutes/lecture)
Taught by Richard Baum
University of California, Los Angeles
Ph.D., University of California, Berkeley
下载链接：
http://www.fileserve.com/file/yYZSm8c/01- The Splendor That Was China... 阅读全帖 |
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c**i
发帖数: 6973 | 25 Chinese tourists l A new Grand Tour; China’s tourists are carving out a
new European itinerary, with some unexpected stops. Economist, Dec 16, 2010.
http://www.economist.com/node/17722582?story_id=17722582
"Paris shops such as Louis Vuitton are essential stops: witness their
Mandarin-speaking staff.
"It is a standing joke among Chinese travellers that many products snapped
up abroad bear 'Made in China' labels. But there is some sense to this
seeming madness. Thanks to hefty taxes and customs ... 阅读全帖 |
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c**i
发帖数: 6973 | 26 (1) 何丽, 中国造船业面临全球需求低谷. 金融时报, Mar 16, 2011.
http://www.ftchinese.com/story/001037511/ce
, whose English counterpart is
Leslie Hook, China's Shipyards Steel Themselves for Downturn; News analysis;
After a meteriotic rise, doubts have surfaced About the Future of Industry.
Financial Times (FT), Mar 15, 2011.
http://www.ft.com/cms/s/0/ea24467a
-4e64-11e0-98eb-00144feab49a.html
Quote:
"Mr Zhang’s company, Rongsheng, was on its way to becoming the sixth
largest shipyard in the world, the position it o... 阅读全帖 |
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c**i
发帖数: 6973 | 27 Here is the main article. Several more articles are included in my posting
at Salon board.
Jonathan Ansfield, Michael Wines (writer) and Sharon LaFraniere, China's
Premier Falls Into a Role: Reformer Fighting for Relevance; Is Wen Jiabao a
true maverick, or just playing good cop in a bad-cop system?. New York Times
, Aug 8, 2011, page A1 (title in print).
http://www.nytimes.com/2011/08/08/world/asia
/08china.html?_r=1&scp=1&sq=china%20wen%20&st=cse
Quote:
"The official state media took Mr Wen’s ... 阅读全帖 |
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c****s
发帖数: 5892 | 28 据最新调查发现﹐加拿大青少年吸烟率近年略有上升。论者说﹐那些数据显示﹐大规模的反吸烟宣传运动收效小。
加拿大癌症协会(Canadian Cancer Society)高级政策分析师坎宁安(Rob Cunningham)谈到报告﹐指《2008-2009年青少年吸烟调查》(2008-2009 Youth Smoking Survey)的数据令人不安。他说﹕「我们非常担心﹐反吸烟运动的大进展停滞﹐青少年吸烟数字没减﹐吸烟率正在回升。」
滑铁卢大学(University of Waterloo)推动人口健康中心(Propel Centre for Population Health Impact)为卫生部做两年一次的研究﹐参照全国各地5.1万名6到12年级学生的样本数据。
调查报告显示﹐从2008年到2009年﹐6到9年级学生的吸烟数字﹐略比2004-2005年高。现在3%的学生自称经常吸烟﹐4年前的比率是2%。
在10到12年级学生中﹐13%的人自称经常吸烟﹐2004-2005年的比率是11%。
加拿大卫生部发表新闻稿说﹐青少年的吸烟数字不是说﹐更多年轻人开始吸烟﹐因为自称从不碰香烟的学生比 |
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c***s
发帖数: 70028 | 29 核心提示：英国《每日电讯报》报道，美军高官8月7日表示，载有22名海豹突击队士兵的CH-47“支奴干”的确是被击落的，但塔利班此次得手实属侥幸，并非意味他们拥有所谓的新的反直升机战斗能力。不过也有媒体怀疑塔利班借用中国技术对RPG进行了改造，从而击落了美军直升机。
69式火箭筒，即RPG(Rocket Propelled Grenade、火箭助推榴弹)。
火箭筒是一种步兵反坦克、攻坚武器，具有重量轻、射程近、价格低、适合大量装备的特点。在反坦克导弹性能突出的今天，火箭筒仍然大量装备到基层步兵单位，成为步兵近程破甲攻坚武器、甚至可以充当近程支援炮火使用。
北约直升机日前被塔利班击落，在击毙拉登行动中声名远扬的美国“海豹突击队”遭到重挫。在9·11恐怖袭击10周年到来之际，美军遭遇了阿富汗战争10年来最惨痛的单次伤亡。
塔利班击落直升机纯属“侥幸”
英国《每日电讯报》报道，美军高官8月7日表示，载有17名海豹突击队士兵的CH-47“支奴干”的确是被击落的，但塔利班此次得手实属侥幸，并非意味他们拥有所谓的新的反直升机战斗能力。
阿富汗塔利班此前发表书面声明称，他们是在约137米之外发射火箭助... 阅读全帖 |
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w******3
发帖数: 3 | 30 【 以下文字转载自 Military 讨论区 】
发信人: wmz55123 (wmz55123), 信区: Military
标 题: UCLA开放课程：中国的兴与衰 Fall and Rise of China (转载)
发信站: BBS 未名空间站 (Fri Jan 7 08:41:36 2011, 美东)
发信人: wmz55123 (wmz55123), 信区: ChinaNews
标 题: UCLA开放课程：中国的兴与衰 Fall and Rise of China
发信站: BBS 未名空间站 (Fri Jan 7 08:40:11 2011, 美东)
发信人: wmz55123 (wmz55123), 信区: WaterWorld
标 题: UCLA开放课程：中国的兴与衰 Fall and Rise of China
发信站: BBS 未名空间站 (Fri Jan 7 08:38:40 2011, 美东)
UCLA开放课程：中国的兴与衰 Fall and Rise of China
中国的兴与衰
（这是网上找到的最全的集合，欲下从速，删除后不再重新上传）
更... 阅读全帖 |
|
y****i
发帖数: 1050 | 31 The first appearance of the Tiger on the Eastern Front was unsuccessful. The
first Tigers were issued to the 1st platoon of the 502 Battalion of Heavy
Tanks (Schwere Panzer Abteilung 502). On the 29th of August 1942, the four
Tigers arrived at the Mga railway station near Leningrad. Early that day,
the tanks were unloaded and prepared for battle. At 11:00 AM, the Tigers
went into their battle positions. Major Richard Merker commanded the platoon
, which included four Tigers, six PzKpfw III Ausf.... 阅读全帖 |
|
y****i
发帖数: 1050 | 32 The first appearance of the Tiger on the Eastern Front was unsuccessful. The
first Tigers were issued to the 1st platoon of the 502 Battalion of Heavy
Tanks (Schwere Panzer Abteilung 502). On the 29th of August 1942, the four
Tigers arrived at the Mga railway station near Leningrad. Early that day,
the tanks were unloaded and prepared for battle. At 11:00 AM, the Tigers
went into their battle positions. Major Richard Merker commanded the platoon
, which included four Tigers, six PzKpfw III Ausf.... 阅读全帖 |
|
y****i
发帖数: 1050 | 33 The first appearance of the Tiger on the Eastern Front was unsuccessful. The
first Tigers were issued to the 1st platoon of the 502 Battalion of Heavy
Tanks (Schwere Panzer Abteilung 502). On the 29th of August 1942, the four
Tigers arrived at the Mga railway station near Leningrad. Early that day,
the tanks were unloaded and prepared for battle. At 11:00 AM, the Tigers
went into their battle positions. Major Richard Merker commanded the platoon
, which included four Tigers, six PzKpfw III Ausf.... 阅读全帖 |
|
g******t
发帖数: 18158 | 34 进攻中为什么要人力拖带火炮？步兵需要通过随便隐蔽来提高战场生存机会的进攻应该
接近冲锋了吧，距离敌人不该太远。还没拿下敌人阵地把火炮往前拖是什么战术？如果
真有必要，不是有T-26，T-60，T-70，T-34，T-35各种轻重坦克，还有各种Self-
propelled gun什么的，生存几率和火力都更大。
普通进攻是不是就是先炮轰，叮裆五四，打死打坏一批阵地上的敌人和装备，然后上步
兵尽快冲上敌人阵地，跟敌人短兵相接（如果敌人不跑）。自己兵上敌人阵地之前，还
可以炮轰一会。炮的射程能覆盖敌人阵地就够用了，拉到敌人阵地上去打谁呢？
邱少云他们那样的先近距离潜伏，然后突然发起攻击的应该是文艺进攻了。
步兵们随便隐蔽保护自己，在他们的身边，惩戒营士兵正在用人力把火炮往上拖，这个
是不是传说中的2B进攻？ |
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c******n
发帖数: 4965 | 35 exactly
consider the state of China before Han (Confucius was before Qin, but it was
not until Han that he was established): china was very wild, more bararian
than US today, and its value more oriented towards brute force than western
world today. Confucius's teachings put order to a society,
basically the competition in a society is good, it propells evolution, but
too much violent competition without order only results in chaos. now
western world founded a set of order based on "democracy" an... 阅读全帖 |
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g*******y
发帖数: 202 | 36 http://www.mitbbs.com/news_wenzhang/MiscNews/31239737.html
编者按：中国威风凛凛的崛起经常标上回归历史正常水平。普遍的说法认为在过去5000
年的大部分时间，中国是世界财富、文化、科技和权力的中心。Mitbbs.com
China’s awe-inspiring rise is often framed as the return to a historical
norm. A common belief is that for most of the last 5,000 years, China was
the world’s center of wealth, culture, technology, and power. The 19th and
20th centuries, we are told, were a brief aberration, and China is now
simply retaking its rightful place as the world’s preeminent nation.... 阅读全帖 |
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S*******T
发帖数: 5156 | 37 在美国，枪不是一个ｐｏｌｉｔｉｃａｌｌｙ ｃｏｒｒｅｃｔ的话题。眼前的圈子里的
同
胞们大都是经伦满腹的正人君子和淑女。象我这样喜欢枪的人总是会被归为另类。可话说
回
来，我们这拨在六、七十年代渡过青少年的革命接班人们，有那个没喜欢过枪，做过当兵
保
卫祖国的梦呢？二、三十年一晃就过去了，少年时代的梦大都早就埋没于事业的激励和生
活
的繁琐之中。待尘埃落定，发现功成名就肯定是用不到自己身上，归入ｌｏｏｓｅｒ又有
点
不忍，大约还是加盟ｍｉｄｄｌｅ ｃｌａｓｓ最稳当。无所事事之间在自己还没明白过
来
怎么回事的时候，蹲厕所和睡觉前手里开始经常捏着本讲枪的书或是杂志。一、两年工夫
下
来，办公室的墙上挂满了大大小小的枪。中国造的枪。
我命里就是喜欢火器的（既这里所谓 ｆｉｒｅａｒｍｓ）。小学的时候我最好的玩具便
是
母亲下放到木工车间的时候求师傅做的一比一比例的木雕五六式半自动步枪，连颜色和背
带
都跟真家伙一样。那会初中书耍耍小聪明就行了，便跟大伙学着用车链条和子弹壳来做火
药
枪。黑火药鞭炮里剥就行了，底火用火柴头，前面再黑着心灌点铁丝头。近距离打在脸上
保
你开花。我最得意的那把枪则... 阅读全帖 |
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v******a
发帖数: 45075 | 38 Sd.Kfz.124 self-propelled howitzer Wespe
在第二次世界大战期间，德国军队装备了型号繁多的自行火炮，其中除TI自行火炮、T
III和TIV突击炮外，大多以动物来命名，比如“野蜂”、“黄蜂”、“犀牛”、“象”。
“黄鼠狼”等等。这些火炮大体上分为两种类型，一种是自行反坦克炮，或称坦克歼击车
，这是二战中德军自行火炮的主流；另一种是自行榴弹炮，以“野蜂”、“黄蜂”自行榴
弹炮为代表。而“蜜蜂”自行火炮是德军在二战中一种使用广泛的自行火炮。
１９４２年初，由于已不能适应激烈的坦克对决，二号坦克从一线的装甲部队中撤了下
来，转入二线部队继续服役。这就提供了把它的底盘和部件改装成“黄鼠狼Ⅱ”坦克歼击
车和“蜜蜂”自行火炮的机会。 “蜜蜂”（Wespe）的设计理念是为快速机动的装甲部队
提供直接的火力支援。１９４２年中期，其由阿尔凯特（Alkett）设计，在二号坦克Ｆ型
底盘上装备了１０５毫米轻型野战榴弹炮。在设计过程中参考了三号和四号坦克的底盘结
构。安装大仰角榴弹炮的“蜜蜂”原型改装将原来二号坦克的外壳加长，发动机前置并增
强了避震系统，以吸收射 |
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s******e
发帖数: 1751 | 40 the whole europe is going to bankrupt soon (propelled by the US from
Wallstreet). |
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b*******9
发帖数: 644 | 41 By Rodrigo Orihuela - Jul 14, 2010 Email Share
Business Exchange Twitter Delicious Digg Facebook LinkedIn Newsvine
Propeller Yahoo! Buzz Print Argentina’s President Cristina Fernandez de
Kirchner failed to convince China’s President Hu Jintao to end a ban on
Argentine soybean oil imports, newspaper Clarin reported, without saying how
it obtained the information.
The presidents agreed yesterday in a meeting in Beijing to form a committee
to study problems in the countries’ bilateral relationship, |
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k*****r
发帖数: 21039 | 42 self propelled 19x130mm ver: |
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k*****r
发帖数: 21039 | 43 self propelled 19x130mm ver: |
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O*******d
发帖数: 20343 | 44 英国当初有汽车时，大家认为汽车太危险，需要一个人在前边走路摇旗开路才能上路行驶。
In the United Kingdom, the Locomotive Acts (also known as Red Flag Laws), a
policy requiring self-propelled vehicles to be led by a pedestrian, waving a
red flag or carrying a lantern, to warn bystanders of the vehicle's
approach. The Red Flag Law was repealed in 1896, by which time the internal
combustion engine was well into its infancy.[1]
http://en.wikipedia.org/wiki/Red_flag_laws |
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G***G
发帖数: 16778 | 45 after man lands on moon, how to get the man back to the vehicle orbiting
around the moon?
don't forget the moon still has 1/6 of earth gravity.
that means it needs tons of propellant. |
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s********r
发帖数: 158 | 47 说奖应给一个 受压迫 的报以色列核计划料的Mordechai Vanunu。Vanunu被判18年，现
在又被起诉了
http://rt.com/Top_News/2010-10-11/nuclear-whistleblower-denied-israel.html
Nuclear whistleblower denied basic freedoms by Israel
The whistleblower who revealed details of Israel's nuclear programme in the
1980s is at the centre of another court case. Lawyers for Mordechai Vanunu
are demanding he be allowed to live outside of Israel.
Share36 Yahoo StumbleUpon Google Technorati
del.icio.us Digg Reddit Mixx Propeller
Vanunu spent 18 years i... 阅读全帖 |
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w*********s
发帖数: 2136 | 48 【 以下文字转载自 WorldNews 讨论区 】
发信人: whiteclouds (/ 参考消息 /), 信区: WorldNews
标 题: 传闻TG潜艇在LA发射导弹示威
发信站: BBS 未名空间站 (Tue Nov 16 02:08:30 2010, 美东)
Chinese Submarine was not the first on US coast
Sneaking subs into waters off the west coast — its happened before
By Wayne Madsen
The firing of a submarine-launched ballistic missile by a Chinese Jin-class
submarine off the coast of southern California lastMonday at the height of
evening rush hour in Los Angeles was not the first time the U.S. Navy's anti
-sub... 阅读全帖 |
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