un. 声呐传感器
[网络] 声纳传感器

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发表于:2018-11-27 / 阅读(490) / 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(351) / 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(289) / 评论(0) 分类 听电影学英语—泰坦尼克号

By Jessica Berman Scientists with the U.S. space agency NASA have begun investigating the crash landing Wednesday of the Genesis space capsule in Utah. The mission came to a disastrous end when a para

发表于:2018-12-08 / 阅读(339) / 评论(0) 分类 VOA2004(下)--健康科技

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(405) / 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(301) / 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(260) / 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(250) / 评论(0) 分类 侏罗纪搏击俱乐部

今天我们要学的词组是probe。 Probe的意思是彻底调查。伊拉克政府最近调查萨达姆被处决时为什么会出现嘲弄等混乱局面,以及处决过程是如何被秘密录像的,Iraq is probing the disorder during Sadda

发表于:2018-12-30 / 阅读(319) / 评论(0) 分类 英语每日一词

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(296) / 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(282) / 评论(0) 分类 健康与环境

NASA Probe Proves Einstein Right Albert Einstein was right. The U.S. Space Agency (NASA) released data this week from its Gravity Probe B spacecraft, whose primary mission while in Earth's orbit was to test Einstein's 1916 Theory of Relativity. While

发表于:2019-01-14 / 阅读(402) / 评论(0) 分类 VOA标准英语2011年(五月)

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发表于:2019-01-26 / 阅读(267) / 评论(0) 分类 英语单词荟萃

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(439) / 评论(0) 分类 60秒科学

The U.S. space agency(代理中介) has released the first ever image taken of the surface of Mercury from a spacecraft orbiting the planet. The black and white image, posted on the NASA website Tuesday, shows a surface pocked with craters of varying

发表于:2019-01-31 / 阅读(292) / 评论(0) 分类 英语新闻

By Paul Sisco Washington 14 May 2008 The U.S. space agency's Mars probe is within weeks of landing near the Red Planet's north pole. NASA scientists in Washington recently talked about what they call the mission's seven minutes of terror. That is how

发表于:2019-02-03 / 阅读(268) / 评论(0) 分类 VOA标准英语2008年(五月)

China plans to launch Chang'e-4 lunar probe to the dark side of the moon in 2018, as announced by China's State Administration of Science, Technology and Industry. Liu Jizhong, director of the lunar exploration program and space engineering center, s

发表于:2019-02-14 / 阅读(248) / 评论(0) 分类 2016CRI中国国际广播电台

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(284) / 评论(0) 分类 新西兰英语

BEIJING, April 21 (Xinhua) -- More inspection teams have been sent to investigate the incident of contaminated drug capsules and find out those held responsible, said the State Food and Drug Administration (SFDA) Saturday. Inspection teams from sever

发表于:2019-02-17 / 阅读(323) / 评论(0) 分类 英语新闻

BAIKONUR, Kazakhstan, Nov. 9 (Xinhua) -- Russia's Phobos-Grunt probe and China's Yinghuo-1 satellite were launched from the Baikonur cosmodrome in Kazakhstan on a Zenit-2SB rocket at 00:16 am Moscow time Wednesday (2016 GMT Tuesday). The main aim of

发表于:2019-02-18 / 阅读(256) / 评论(0) 分类 英语新闻
学英语单词
accountancies
add-subtractor
alpha-globulins
amnesiac, amnesic
angerlike
antessive
antipaludic
assisting vessel
bale fork
Balotra
blue value
Claude Elwood Shannon
close trimming
connecting rod bearing saddle
derris trifoliata lour.
diplococcic disease
dvrt
ebonite dust
Endiopside
fibrous tracheid
foot pedal threshing machine
genus Microsorium
Ginzburg-Landau parameter
grimmia elongata
grusses
gydanskiy poluostrov(gydanski pen.)
hangull
hanse-pot
hantzschia amphioxys
hard limited integrator
hennemann
holder of a title
in measure
Inverness cloak, Inverness coat
ironwood trees
joint preparation
kincannon
kyver
ladle deoxidation
Llanelly
May River
methylated albumin kieselguhr chromatography
microstage
mining plow
ministry of aircraft production
monette
moving contact pin
Nushagak Bay
oculodentodigital
ol? (spain)
orbital hypotelorism
os breve
paraphrasis
party-lists
pedal pushers
Peucedanum torilifolium
philophylla connexa
platyfishes
plumeaux
plumeless
poetization
points in the paint
polar
polyestradiol
porcelain stain
proper drag
prostatic cooler
push sb on
pyrrosia polydactyois ching
radial type core
railway integration mechanism
random mixing approximation
reciprocating type supercharger
review board
roschelle
scazontic
scrub typhuss
seeksorrow
side mirror
significative
silasesquioxanes
Silver City
single side-band modulator
song-sheets
soooooo
Steinbrocker
subbituminous a coal
super balloon tire
surreverence
tawdriness
temporalties
terminating chain
threshold behaviour of the reaction
tom boy
unscheduled investment
wash an Ethiopian white
water supply works
weeping eczema
Wells Bridge
wrongtaking
xanthopurpurin
yount