声纳作用距离

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发表于:2018-11-27 / 阅读(407) / 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(242) / 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(180) / 评论(0) 分类 听电影学英语—泰坦尼克号

听广告学英语:Dowell Motors Range Rovers汽车 原文:At the height of his career, everyone seeks to distance himself from the work who made him successful. The Range Rover. Because a man's success is measured by what he does at play. 译文:在事业的辉煌

发表于:2018-12-07 / 阅读(260) / 评论(0) 分类 听广告学英语

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(209) / 评论(0) 分类 数学英语

发表于:2018-12-14 / 阅读(259) / 评论(0) 分类 迪斯尼儿歌第一集

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(293) / 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(184) / 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(145) / 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(139) / 评论(0) 分类 侏罗纪搏击俱乐部

【今日基础词】 Range 【Transcript】 With the development of science and technology, there has been a boom in the ways for us to get information. But reading books still remains essential to the acquisition of knowledge. The forms of reading

发表于:2018-12-30 / 阅读(216) / 评论(0) 分类 听基础单词练听力

John: This is Real English from BBC Learning English. Im John. Jean: And Im Jean. John: Today were going to look at words and phrases that have recently become part of the English language. Jean: 在我们的Real English地道英语节目当中,我们会来学习一

发表于:2019-01-02 / 阅读(354) / 评论(0) 分类 地道英语在线听

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(205) / 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(178) / 评论(0) 分类 健康与环境

HomeontheRange 牧场上的家 Oh,givemeahomewherethebuffaloroam, Wherethedeerandtheantelopeplay, Whereseldomisheardadiscouragingword, Andtheskiesarenotcloudyallday. Home,homeontherange, Wherethedeerandtheantelopeplay, Whereseldomisheardadiscouraging

发表于:2019-01-10 / 阅读(260) / 评论(0) 分类 Wee Sing In The Car

Mapping Mountain Range Found Under Antarctic Ice Its late afternoon at the Lamont-Doherty Earth Observatory, where Robin Bell is at work analyzing various images of glaciers and plotting her next expedition to the frozen southern pole. She takes a br

发表于:2019-01-13 / 阅读(211) / 评论(0) 分类 VOA标准英语2012年(一月)

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(317) / 评论(0) 分类 60秒科学

Iran says it will fire long-range missiles on Saturday as part of military exercises in the Gulf. The announcement on Friday was made on the heels of heightened tensions between Iran and Western powers over Tehran's threat to block oil shipments thro

发表于:2019-02-08 / 阅读(196) / 评论(0) 分类 英语新闻

今天我们要学的词是 within range. Within range 在射程内。North Korea claimed its intercontinental ballistic missile has now put the U.S. mainland within range. 朝鲜声称,朝鲜的洲际弹道导弹已经将美国大陆纳入射程范围

发表于:2019-02-16 / 阅读(177) / 评论(0) 分类 英语单词荟萃

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(183) / 评论(0) 分类 新西兰英语
学英语单词
aquatic organism
band-splitting filter
banditries
Bhadravati
Bicol
booster thermocouple
Butler-Born approximation
C.R.I.
car races
Cautleya spicata
chronostratigraphic
composite flour
cooperative acquisitions
couplement
cross-section for scattering
daraf dark conduction
dermatitis nodularis necrotica
Dhavlia(Davleia)
didymobotryum verrucosum
dinghying
directional coupler
disembay
diurnal arcs
dna dependent rna polymerase
downgust
earned freight
Elsey
embryonal adenoma of thyroid
error space
European Patent Organization
fernandinite
filtering equipment
form of exercise
four-places
freight train
full-radiator temperature
gas-oil ratio(gor)
generic algorithm
gross liabilities
half cupped fracture
heyfield
hydrocodimer
induction of labor by oxytocin
John Cage
k multiplication factor
karos
lamellar graphite
lindzens
loading attachment
Louango
microimages
microthermometer
mild-winter
mistruth
mixed thrombus
multangular
Navatalgordo
oojiboo
oreides
P. H. B.
pawer
picksies
pincern
plaistering
plasma thromboplastin component
post-Cubist
posterior labial veins
power function
prize ring
promixes
radiating brick
register notation
repetitive discrete source
salthion
sawtooth function
schistosomiasis mansoni
scope photograph
sebaceous crypts
serial data output
seventy-eight
silicate gel emitter
slower-than-real-time simulation
spiritual emptiness
stabilization by freezing
stingless bee
storage constant for aquifer
stratus fractus
swordplay
tacubaya
telephone jack
top of flood
topas (topaz)
tymapanitic note
ulcerating pulpitis
unclean hands
virtual consumption
volume of loading and discharging of ports
wash and wear style
wildcats
wire nettings
Xenophontine
Zoo-