声纳探测器

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发表于:2018-11-27 / 阅读(318) / 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(181) / 评论(0) 分类 2008年NPR美国国家公共电台六月

[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(123) / 评论(0) 分类 听电影学英语—泰坦尼克号

Unit 31 单词 1.airy 2.spacious 3.outfit 4.manly 5.fabric 6.individuality 7.reflect 8.reflective 9.underneath 10.obscene 11.abuse 12.conscious 13.biographical 14.corrupt 15.tactical 16.plateau 17.heroic 18.rotten 19.superhuman 20.labour 21.distill 2

发表于:2018-12-13 / 阅读(231) / 评论(0) 分类 北师大高中英语模块一讲解

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(219) / 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(122) / 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(85) / 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(88) / 评论(0) 分类 侏罗纪搏击俱乐部

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

发表于:2018-12-30 / 阅读(210) / 评论(0) 分类 国家地理2008年

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(157) / 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(127) / 评论(0) 分类 健康与环境

Lying NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to this weeks 6 Minute English. Im Dan Walker Smith and today Im joined by Kate. Now Kate, here's an awkward question for you: do you consider yourself a good liar? Kat

发表于:2019-01-07 / 阅读(126) / 评论(0) 分类 六分钟英语

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'm

发表于:2019-01-22 / 阅读(146) / 评论(0) 分类 自然百科2008年

RAY SUAREZ:More about this technology, the man behind the project and the questions this all raises from Andy Greenberg of Forbes. He's been covering this story and was in Austin when Cody Wilson first tested the gun. And, Andy, now that this thresho

发表于:2019-01-27 / 阅读(189) / 评论(0) 分类 PBS访谈社会系列

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(221) / 评论(0) 分类 60秒科学

现在的女孩子喜欢什么样的礼物?

发表于:2019-02-15 / 阅读(114) / 评论(0) 分类 阅读空间

Regardless of their source, any methane molecules in Mars's atmosphere would, on the basis of experiments on Earth, be expected to hang around for centuries. 不论它从何而来,根据地球的实验,火星大气中的任何甲烷分子将有望徘

发表于:2019-02-16 / 阅读(127) / 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(123) / 评论(0) 分类 新西兰英语

My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they

发表于:2019-02-18 / 阅读(138) / 评论(0) 分类 趣味英语

ACKI LYDEN, HOST: OK. So here's a joke. A man sitting on the veranda with his wife one night when out of the blue he says: I love you. His wife says: Was that you or was that the beer talking? The man says: That was me talking to the beer. Maybe you

发表于:2019-02-23 / 阅读(134) / 评论(0) 分类 英语语言学习
学英语单词
adrenocortical trophy
Airy diffraction dise
anarcho-collectivists
Are we having fun yet?
arteriae genu media
autoette
b-type (chromosome)
blue folder
cadmium hydride
clipped
columnea purpurata
controlled underwater recovery vehicle
crown knot
cymbalists
dedicated hosting
Diatto surface-contact system
drain-substrate junction
drops into
drunken reveller
edwardsean
elapoid
electropneumatic switch lock movement
equity release
exsiccant
fired mold
fractionating crystallization
free sand
ghost towns
Gomphidius
Gordon Landing
governor's council
Haardt Mountains
haygarth
head receiver
high speed steel geared tap
hit-test code
hogback coast
home record leader record
horizontal vee
horn-blowing
hydraulic steering gear
Ibnat
identical categorisations
inflexibilities
information readout time
input/output queue element
International Federation of Human Rights
irmagi
janglings
jhvhs
Johilla R.
kickoff returners
kronholz
lambert conic projection
linked incidence claims
logistic map
lubricating oil suction pump
lysuride maleate
made a contribution to wards
matsuura
megafolly
mobola
mogera micrura insularis
multianemometer
MVNO
nonbasic chromosomal proteins
objectifier
oil-limiter
one and a half
outshine
page format item
phase - locked loop
pneumatic cushion
postcard Bristol
psyllaic acid
QCR (quality control report)
roll body length
ruinas
Satanology
self-enamoured
semi-monthly
siamyl
sidehole
simple tungsten carbidecobalt composition
Sod's Law
star delta starting
staying behind
stillion
tetrahydrobiopurine
thermal stability against short circuit
tipsters
titanometry
tree huggers
trigger gate voltage
trollery
tuck ripple
unblasphemed
underkings
univacs
UV-reactivation(UVR)
veda
visual field defect