声呐方程

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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

You Do the Math Hello and welcome to Words and Their Stories from VOA Learning English. On this program we explain how to use common expressions in American English. We also explore the origins of these expressions. Where do they come from? Today we

发表于:2018-12-16 / 阅读(204) / 评论(0) 分类 2016年VOA慢速英语(十)月

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

1. a little bit,有点,有几分。 eg:Move over this way a little bit. 往这么挪一挪。 2. confusing,令人困惑的,让人容易混淆的。 eg:I see a lot of students stretching and so on, so it is very confusing for me. How do we solve the

发表于:2018-12-18 / 阅读(158) / 评论(0) 分类 蒋健棠教你听英语广播

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

Lesson 24(第一讲) 2. Let us suppose that Mary hit John right between the eyes, what will he do? It's no doubt John wants to spend all his time with her and get to know about her better.我们假定John对Mary印象很深刻,John会如何呢?

发表于:2018-12-27 / 阅读(93) / 评论(0) 分类 英语早间课堂

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(96) / 评论(0) 分类 侏罗纪搏击俱乐部

Wormholesby Linda BaxterHave you ever read Carl Sagan's 1985 science fiction novel 'Contact'? Or have you seen the film of the same name starring Jodie Foster? If you have, then you will remember the scene near the end of the film, when the heroine t

发表于:2019-01-02 / 阅读(178) / 评论(0) 分类 英文杂志-Magazine

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(137) / 评论(0) 分类 健康与环境

Every year on the beautiful Lindau island of Lake Constance, some of the best of the worlds young scientists meet Nobel Prize winners. As it turned out, this meeting of physicists was a true meeting of minds. And so native created five new films expl

发表于:2019-01-22 / 阅读(122) / 评论(0) 分类 自然百科2010年

1994年度的诺贝尔经济学奖,授予美国普林斯顿大学数学系的纳什教授等三位对博弈论作出奠基性贡献的学者。好莱坞大制作《美丽心灵》A Beautiful

发表于:2019-01-28 / 阅读(147) / 评论(0) 分类 阅读空间

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(232) / 评论(0) 分类 60秒科学

Say it with us: Kids today have it sooooo easy. A new smartphone app will do their math homework for them, provided it's not too complicated. PhotoMath by microblink uses a phone's camera to solve equations and then teaches you the step-by-step metho

发表于:2019-02-02 / 阅读(125) / 评论(0) 分类 阅读空间

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

台湾籍旅美老师今天交给我们的句子是: Watch and outline your answer before you go in and so that you can answer clearly, concisely and with confidence. 在你进去面试之前,先练习概述答案,这样你才可以有回答地清

发表于:2019-02-21 / 阅读(123) / 评论(0) 分类 留美老师带你每日说英文

He bought a DVD player. He went home. He unplugged the old DVD player from the living room flat-screen TV. He hooked up the new player. He plugged the old player into the 10-year-old TV in the bedroom. His wife came home. She said, Why didn't you jus

发表于:2019-02-22 / 阅读(122) / 评论(0) 分类 英文短篇故事(纽约)
学英语单词
-dralszine
air outlet opening
air-to-air laser ranging
alehoofs
ampitheater
anionic electrochemical polymerization
bar-counter
barrier voltage
be in high boost
beadiest
bedrails
boodlea composita
chemotaxy
church-ale
coated metal powder
Codonopsis bulleyana
configurational statistics
conservation of quantum number
Corguinho
cotchin
counter tide
cylindrical still
Czorneboh
decontrol of rent
digitalfilms
dimerosporium moricolum hara
dis proved
discharge polymerization
dismal cr.
dissociation of dislocation
double seal valve
eddy flux
electron bombardment evaporation source
extender provider
fair-goer
fizuk
frequency distribution analysis
glim relay tube
gornick
great picture
hazard marking light
helium gas turbine
heths
high-frequency process
HSDT
intergeneric hybridization
laminae cribrosa sclerae
laspistol
law of statistical constancy
lies ahead
line pulse
liquid chromatograph-mass spectrometer
Lizard Head
locomotive station
logic zero clock
Madrileno
magnetic colatitude
medicomi
monests
multipurpose nuclear power plant
nonadecameric
normal mercruous phosphate
Oenothera rosea
passenger car equivalent?
pelvic mass
personal health index
plt
point-multipoint message traffic
polarity reversal
polltakers
polyphase armature
porkbarrel
post-herpetic neuralgia
primary activity provider code/name
radioactive surface contamination meter
rapid settling device
rectangular pressure volume cycle
rocketer
roughness gauge
Schottky clamped transistor
sculptural relief
security policy
sequential buffering
Soveria Mannelli
squares the circle
stagger bushes
Staré Město
superiourity
tax-collecting
Tectocephaly
tetraphenylphosphonium
to steer
trade something off
triple-tongue
twitling
unappropriated budget surplus
volcanological
warm water fauna
washing efficiency
wax distillate
whoopties