声纳盒;反射高频声波器

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发表于:2018-11-27 / 阅读(329) / 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(126) / 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(151) / 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(229) / 评论(0) 分类 2009年NPR美国国家公共电台7月

RACHEL MARTIN, HOST: The Apollo 11 capsule took astronauts to the first moon landing and back. It is now a priceless museum artifact. Later this year, it'll go on tour around the country for the first time in over 40 years. NPR's Nell Greenfieldboyce

发表于:2018-12-18 / 阅读(103) / 评论(0) 分类 2017年NPR美国国家公共电台6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

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(91) / 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(94) / 评论(0) 分类 侏罗纪搏击俱乐部

[00:00.00]UNIT 10 Lesson 39 [00:05.92]1.2 Hi,guys. [00:09.59]How was the trip to the museum? [00:11.58]It was great! [00:12.94]Really? [00:13.61]Yeah.There was a time capsule. [00:16.13]It was really cool! [00:18.07]A time capsule? [00:19.45]Wow!Tell

发表于:2018-12-29 / 阅读(176) / 评论(0) 分类 北师大版初中英语七年级下

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

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(136) / 评论(0) 分类 健康与环境

Researchers have developed a long-lasting capsule that, when swallowed, slowly releases medicine into the body. The researchers say the capsule was developed for treatment of the disease malaria. But they believe it could hold medicines for a number

发表于:2019-01-12 / 阅读(183) / 评论(0) 分类 2016年VOA慢速英语(十二)月

SpaceX Capsule Docks with ISS SpaceX's Dragon capsule made history when it approached the International Space Station, becoming the first private spacecraft ever to do so. The robotic capsule free floated 10 meters away from the orbiting lab, and the

发表于:2019-01-13 / 阅读(125) / 评论(0) 分类 VOA标准英语2012年(五月)

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(230) / 评论(0) 分类 60秒科学

VOA,VOA标准英语,Washington,NASA,capsule,By David McAlary Washington 15 January 2006 Tom Duxbury, Stardust Project Manager for NASA's Jet Propulsion Lab, answers questions during a news conference after the landing of the Stardust capsule A

发表于:2019-01-31 / 阅读(183) / 评论(0) 分类 2006年VOA标准英语(一月)

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

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发表于:2019-02-27 / 阅读(177) / 评论(0) 分类 粉红猪小妹第二季

A: Hello sir, how can I help you? B: Yes, I need this prescription please. A: Lets see. Okay, so 50 mg of Prozac, would you prefer this in capsule or tablet? B: Capsules are fine. A: Okay, you should take 1 capsule 3 times a day. Be sure not to take

发表于:2019-03-06 / 阅读(206) / 评论(0) 分类 英语播客-EnglishPod

Eradicating these bad habits 改掉坏习惯 Negativity. 消极 Life won't always go the way you want it to, butwhen it comes down to it, you have the same 24 hours in the day as everyoneelse. 生活并不会尽如人意,当不如意时,你和别人

发表于:2019-03-06 / 阅读(167) / 评论(0) 分类 英语听力广播—Listening
学英语单词
age class structure
air riveter
antiphase transducer
atys naucum
bang yong
Bastard-lumber
beam compression factor
bicrurate
break someone's balls
cathedrated
combined type transducer
cometocentric
compass pin
computer-aided metallurgical physical chemistry
contract of life annuity
coolant temperature indicator
cosmonautical
cost plus pricing practice
crenellate
Darlington connection
deep-rooted crop
Dilvar
diplazium wichurae
elastic-line
electrical wet-and-dry bulb hygrometer
extraembryonic cavity
failed test sample
fire alarm panel
functional effect
fuzzy control system
Galatella songorica
ganje
Garelochhead
gemfishes
geomorphic process
Gonnheim
gravity takeup
haleite
Halol
in ages
informal marriage
intentando
irreducible image
jundiai (jundiahy )
kept away
Liedform
manual operated directional valve
marketing facilities
mbugas
merremia tuberosa
meta-toluenediamine
monkfish
multiplying
neck vertebrae (or cervical vertebrae)
needle-shedding
nitrogenates
nonhyperthermophilic
nozzle configuration
number to be printed
obnection
order-form
pastory
pentadic
periodicautomatic-reclosing equipment
peritesticular
phengite
photopharmacology
pick-
Polynesian arrowroot
priority concordance
privative a
provinciality
pull apart
racial slur
Redcastle
relay pull curve
Rissah
Servius
single flow pump
soybean glue
spanker
St. Elias, Mount
straight peen sledge
swingels
symbol name
tegmen top
thrashings
thryss
timber-framed
tin foil condenser
turbine flow
twelvemo
ultrafine grain size
unbesieged
unsexual
up-wind
valance boards
virgin wax
vitreograph
waxy coal
Wugu Township
yearam