声纳投吊与换能器组合

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发表于:2018-11-27 / 阅读(365) / 评论(0) 分类 背诵为王第二册

The Supreme Court says it is going to review a lower court ruling protecting marine mammals from Navy sonar. NPRs Martin Kaste has more. For years, environmental groups have argued that the Navys high-intensity, submarine-tracking sonar can disorien

发表于:2018-12-02 / 阅读(206) / 评论(0) 分类 2008年NPR美国国家公共电台六月

[00:06.58]hector hedge hedgehog hedonism [00:15.31]v.凌辱,威吓 n.树篱;限制 n.刺猬 n.享乐主义;享乐 [00:24.03]hegemony heinous heir heirloom [00:32.12]n.霸权,领导权 adj.十恶不赦的 n.继承人 n.传家宝 [00:40.20]heliotrope h

发表于:2018-12-04 / 阅读(249) / 评论(0) 分类 GRE词汇精选

[01:36.60]【铁 达 尼 号】 [02:18.36](Sonar Pings) [02:21.60]Man: 13 meters. You should see it. 距离13公尺,应该看得见了 [02:33.84](Sonar Pings) [02:38.52]Okay, take her up and over the bow rail. 越过船头的栏杆 [02:39.20](Over

发表于:2018-12-07 / 阅读(151) / 评论(0) 分类 听电影学英语—泰坦尼克号

[00:00.00]Dr Young believes that the technique [00:02.60]could eventually be used to help children [00:04.68]learn to read,or adults [00:06.71]to pick up a new language. [00:08.69]In the meantime,however,thebrain zapper [00:10.99]seems to do as much

发表于:2018-12-13 / 阅读(519) / 评论(0) 分类 北师大版高中英语模块10(选修)

Marine Biologists and volunteers in Key Largo are working to save the survivors of a group of dolphins that beached themselves last week in the Florida Keys. Invesigators are trying to determine if sonar from a nuclear-powered submarine played a role

发表于:2018-12-17 / 阅读(252) / 评论(0) 分类 2009年NPR美国国家公共电台7月

It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(十一)月

And they have the blemish both front and rear from a facet where the opposite tooth interlocked with it. 在牙齿前后的齿面都有缺陷就是与对面牙齿相交错的地方。 What happens is that the root is anchored well into the lower jaw.

发表于:2018-12-28 / 阅读(113) / 评论(0) 分类 侏罗纪搏击俱乐部

The sperm whale hits him dead in the centre of his body throwing the Megalodon's enormous weight in a tumble motion under the ocean. 抹香鲸结结实实地撞中它的身体中间,把巨齿鲨庞大的身躯撞得在海洋中翻滚。 The Megalod

发表于:2018-12-28 / 阅读(113) / 评论(0) 分类 侏罗纪搏击俱乐部

ENVIRONMENT REPORT - November 22, 2002: Compromise on U.S. Navy Sonar By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. The United States Navy has agreed to temporarily limit testing

发表于:2019-01-02 / 阅读(182) / 评论(0) 分类 健康与环境

ENVIRONMENT REPORT – August 2, 2002: Navy Sonar and Ocean Animals By Caty Weaver This is the VOA Special English Environment Report. American officials have approved a plan for the United States Nav

发表于:2019-01-07 / 阅读(154) / 评论(0) 分类 健康与环境

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Did you hoist a few on New Year's? Of course, getting together with friends over a few adult beverages has a long history. Here's the University of Cincinnati's Kathleen

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(一)月

黄昏 Dusk 茅盾 By Mao Dun 海是深蓝色的,说不上光滑;排了队的小浪开正步走,数不清有多少,喊着口令一,二 一似的,朝喇叭口的海塘来了。挤到沙滩边,噗嘶! 队伍解散,喷着愤怒的白沫。

发表于:2019-01-08 / 阅读(160) / 评论(0) 分类 英语笔译

Science and Technology Three-dimensional printing An image of the future 科技 3D印刷 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用 U

发表于:2019-01-26 / 阅读(156) / 评论(0) 分类 经济学人科技系列

NASA Scanner Offers Clues To Whale Hearing Researchers at UC San Diego and San Diego State University have imaged whale skulls in an attempt to determine the effects of sonar on whale hearing. Cynthia Graber reports It really is rocket scienceresearc

发表于:2019-01-30 / 阅读(269) / 评论(0) 分类 60秒科学

Science and technology 科学技术 Three-dimensional printing 3D印刷 An image of the future 印刷未来 One of the biggest manufacturers in the world gives 3D printing a go 世界龙头机器制造商用3D印刷术进行了一次格外成功的应用

发表于:2019-02-06 / 阅读(139) / 评论(0) 分类 经济学人科技系列

The first rockets were Chinese. In the 1230s the armies of the Song dynasty, 首批火箭出现在中国。十三世纪三十年代,宋朝军队 who were fighting Mongol invaders, started launching fire arrows propelled by gunpowder some 300 metres

发表于:2019-02-16 / 阅读(158) / 评论(0) 分类 经济学人科技系列

Debris from the Rena has reached beaches in the Coromandel. There are bags of milk powder, plastic and rope on the beaches and broken containers. The sea around the Rena is white from broken bags of milk powder. There is also oil for about 3km around

发表于:2019-02-17 / 阅读(153) / 评论(0) 分类 新西兰英语

I recently lost my best friend Arnold in an automobile accident while moving my family to our new home in Arizona. Arnold was an 8-month-old pot belly who taught me so much about love, devotion and companionship. I am devastated by his loss, but than

发表于:2019-03-02 / 阅读(189) / 评论(0) 分类 英语美文

These last now hoist the bucket within grasp of the Indian, to whom another person has reached up a very long pole. 这时桶子便被吊到那印第安人伸手可及的地方,另外一个人又从下面递给他一根很长的棍子。 Inserting

发表于:2019-03-10 / 阅读(192) / 评论(0) 分类 白鲸记
学英语单词
Abbott, Lyman
acne keloid
Acylaminopenicillin
Aepyceros
Al-fin process
amino acid hydrazines
apices
atmospheric trace gases in seawater
auxiliary board
battle -piece
Bennachie
bfm
Bla.W.
bring a suit against sb
buckler ferns
coal ash viscosity
communal aerial
continuity management
cuprophosphorus
decaying stage
Dry Cr.
E. E. T. S.
eleven-o'clock-lady
encepha-
engrasped
European brown trout
exponential sequence
Fokino
freaky friday
fructovegetative
General Agreement on Trade and Tariffs
good fortunes
half-cell prtential
heading indicator
heptyl valerate
human morality
hydraulic drive circuit
incumbent cotyledons
infinite superpopulation
instantaneous rating
interchannel area
internal porosity
international Shipping Line
jointmeal
koniggratz
leader fabric
learning from example
legal custody of property of a debtor
lithophagous
low carrier modulation
marine biochemical resource
maximum tempera-ture
mine harbor
mistletoe thrush
MNOTREMATA
mycosis leptothrica
myricyl acetate
Myzove
nevile and winther's acid
Nidagunda
off-path signal
off-tune
ontologised
orthostomous
Oxfordshire
package film
partial correctness
polyspeed
postdebriefing
preventive defence
propassion
pulse transmitter
quantasome(park & pon 1961)
real constant
reconnaissance spacecraft
replicant
respiramat
retrieval item
rewrite
rhizodontids
saint maartens
secondary woody growth
selectivity ratio
single-turn deflection
smack-talk
source of labo(u)r supply
South West B.
standard model test
string ... up
supplemental illumination
teagles
timidous
tirnavos (tyrnavos)
to take action
track circuit theory
tumor of larynx
unneutrality
upstaying
venetiaans
Voith-Schneider propulsion system
Wanigela
wet-and-dry bulb thermometer