声纳定位

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发表于:2018-11-27 / 阅读(330) / 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(188) / 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(127) / 评论(0) 分类 听电影学英语—泰坦尼克号

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(229) / 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(131) / 评论(0) 分类 Scientific American(十一)月

Our car is equipped with the GPS so we won't get lost. 我们的车装上了卫星定位系统,所以就不会迷路了。 GPS =Global Positioning System 全球位置测定系统.

发表于:2018-12-25 / 阅读(149) / 评论(0) 分类 蒋健棠英语实用句子

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(92) / 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(95) / 评论(0) 分类 侏罗纪搏击俱乐部

(WA-MM) Not long ago, some of you may have read about a team of mountain-climbing scientists who helped to recalculate the elevation of the highest mountain in the world: Mt. Everest. Of course, the elevation of Mt. Everest was determined many years

发表于:2018-12-30 / 阅读(118) / 评论(0) 分类 托福听力短文

核心句型: Our team managed to get the upper hand in the end. 我们组最终占了上风。 get the upper hand源自过去人们一项娱乐活动,掰手腕。比赛过程中,双方面对面分别把一只手放在桌子上,彼此紧握,用

发表于:2018-12-31 / 阅读(133) / 评论(0) 分类 轻松日记商务职场篇

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(164) / 评论(0) 分类 健康与环境

EXPLORATIONS - Global Positioning System By Paul Thompson Broadcast: Wednesday, May 05, 2004 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Phoebe Zimmermann with the VOA Special Engli

发表于:2019-01-07 / 阅读(148) / 评论(0) 分类 Explorations

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(137) / 评论(0) 分类 健康与环境

Shared bikes must be scrapped after three years of use and have a GPS positioning function, and children under the age of 12 will be banned from using the bikes, according to draft regulations from Shanghai government. 上海政府出台的一份条例

发表于:2019-01-07 / 阅读(110) / 评论(0) 分类 英语新闻

Ran Chengqi, director of the China Satellite Navigation Office, says the BeiDou Navigation Satellite System would provide a navigation service for users in China and surrounding areas with a positioning accuracy of less than 10-meters. Besides contin

发表于:2019-01-19 / 阅读(105) / 评论(0) 分类 英闻天下

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(231) / 评论(0) 分类 60秒科学

62 利用现代科技手段控制蝗虫 DATE=6-26-01 TITLE=AGRICULTURE REPORT - Controlling Locusts with Technology BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(155) / 评论(0) 分类 科技之光

Citigroup to cut 11,000 jobs

发表于:2019-02-09 / 阅读(160) / 评论(0) 分类 英语新闻

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(133) / 评论(0) 分类 新西兰英语

SINGAPORE, Oct. 10 (Xinhua) -- A Singapore start-up firm has devised an innovative application to allow phone users to have access to their positioning information within buildings, where traditional global positioning system has often proved inaccur

发表于:2019-02-18 / 阅读(109) / 评论(0) 分类 英语新闻
学英语单词
aeolian harps
archebacteria
Atecen
attack of a siege
auditable
avoidment
baler bag
betenoire
Big Bertha
bookbindings
bromomoacetamide
BTEC
carrot harvester
cautious of
cerifera
claims protected by lien
commodity entry
complyingly
counter-current cooler
cryptotympana holsti
cues
culture-specific syndrome
cut-out fox
cylinder relief valve
Davel
dinitrotoluenes
diracs
discount stores
Downpatrick
dredging automation
duodenal fistula
esrey
exequaturs
expected payoff
face-pumping laser
free ring
gain one's end s
genus Megaderma
genus recurvirostras
glutamate dehydrogenase
h.o
have gone and done
hide with
hierarchical list
highly deviated
hyperechogenic
icre
impact mill
inconsistent statements
injustices
intrastrands
knowing of
lateral adjustment
leg of a bridge
lushed
medical and dental expenses
Milanese flat warp-stitch knitting machine
monocaryotic phase
murads
neurolytic block
nidra
ocular circle
One above
over-english
pegging back
phosphonium salts
photobiographies
pine to do sth
pineal hormone
pipe tool
pressamina
prestamp cover
questores
resistance silencer
restricted holonomy group
river transport
Schultze's indophenolt uxydase test
scotomata
secondary plant succession
senacal
sentence parts
shaking out machine
siderated
slab beam
subfamily Carpinaceae
sulfide inclusion
Take your hat off
telescopic link
Thaumastocoridae
toxic materials
tractus octavo-spinalis medius
transverse wire brushing
unlabelled statement
vacuum-tube characteristic
vallesine
viatica
warios
welner
whip-her-ginny
wire penetrator
working point