综合声纳系统

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发表于:2018-11-27 / 阅读(353) / 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(204) / 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(140) / 评论(0) 分类 听电影学英语—泰坦尼克号

INTEGRATED PRIMARY ENGLISH 1A [01:35.19]The alphabet [01:43.29]Aa apple [01:48.46]Bb baby [01:52.90]Cc carrot [01:57.16]Dd door [02:01.31]Ee egg [02:05.99]Ff flower [02:10.43]Gg grass [02:15.60]Hh hat [02:20.46]Ii ice cream [02:25.32]Jj jar [02:29.68

发表于:2018-12-13 / 阅读(255) / 评论(0) 分类 小学综合英语1A

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(242) / 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(156) / 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(107) / 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(107) / 评论(0) 分类 侏罗纪搏击俱乐部

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(178) / 评论(0) 分类 健康与环境

This week, Americans mark a turning point in the history of the United States. Fifty years ago, the Supreme Court issued a ruling that declared racial segregation in the nation's public schools to be

发表于:2019-01-06 / 阅读(145) / 评论(0) 分类 VOA2004(上)--国际时事

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(150) / 评论(0) 分类 健康与环境

疑问词why引导的省略句中的不定式在当代英语中一般须省去to。如: 1. 肯定形式 Why talk so much about it? 这样大谈它干嘛? You're fully insured, so why worry? 你已经全部保险了,那何必还担心呢? Why ask

发表于:2019-01-09 / 阅读(127) / 评论(0) 分类 英文语法词汇

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(258) / 评论(0) 分类 60秒科学

AGRICULTURE REPORT - Integrated Pest Management By Mario Ritter Broadcast: Tuesday, February 22, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. The use of pesticides was an impor

发表于:2019-01-30 / 阅读(155) / 评论(0) 分类 农业与发展

BEIJING, July 30 (Xinhua) -- China's railway courts are now being integrated into civilian courts as part of reforms that are intended to help build a unified judicial system. Railway courts handle criminal and civil cases concerning railway transpor

发表于:2019-02-03 / 阅读(138) / 评论(0) 分类 英语新闻

Wanganui Collegiate is thinking about becoming a state integrated school. It has been a private Church of England high school for 150 years. Most of that time, it was a boarding school for boys only. Recently it became a co-ed school, open to girls a

发表于:2019-02-06 / 阅读(133) / 评论(0) 分类 新西兰英语

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(150) / 评论(0) 分类 新西兰英语

分析型1.Recently the ...has been brought into focus...Nowhere in history has the issue been more visible. In this essay, I aim to explore this complicated phenomenon from diverse perspectives, identify the relevant contributing factors and bring u

发表于:2019-02-18 / 阅读(175) / 评论(0) 分类 雅思英语

How Do You Balance Life and Work? Age 4: He was composing music. Age 8: He scored 1,500 out of 1,600 possible points on the SAT. Age 9: He attended Chicagos Loyola University and was still delighted in reading childrens books. Age 12: He entered medi

发表于:2019-02-25 / 阅读(207) / 评论(0) 分类 阅读空间

在托福口语考试的6个Task中,前2个是Independent Task,后4个为Integrated Task。前面2个可以直接根据指令来回答问题,而后面的4个要以综合听力和阅读的内容作答。 在Task 5的时候,加入的是听力的内

发表于:2019-02-26 / 阅读(131) / 评论(0) 分类 托福英语
学英语单词
AberMUD
acoustic emission leak locator
acv-auxiliary aircraft carrier
amirah
amphiplasty
arcuato-emarginate
automatic interruptible load
backing
beautiful woman
Carajari, R.
ceramsite
chamberlayne
Chinese lacguer
commercial abstract of financial statement
complete cleft lip
condenser circulating water
contested social mobility
coupler-curve
crosson
dataflows
DC damping circuit
double-chain slat conveyor
Dow-Jones Industrial Average
embolismal
estate by purchase
exobasidium japonicum shirai
fall one's legs
fiberglass insulation
five-categories
formation productivity
Forsythe
foul clay
Gascoyne Seamount
genus tremas
granular cell layer
granule of carbon
gurus
hernangerine
hwengan to (hoenggan-do)
hydro extractor model
hypocot-ylous
Inaho
incarcerated hernia
indicator plant of solonchak
input/output trunk
intussuctio-viviparity
inverted top hat
labilise
lightcoral
line-finder shelf
lonithermie
lost touch
maung
McCarran Ferguson Act
melanomatous
murrina
Murtovaara
mythic
Nivion
non-ruminants
nonpunctuated
oscillation source
paramyosinogen
parasitiform
passive assay
Pereslaval'-Zalesskiy
pre-arrival
prebriefed mission
precommercial operation
pressure treater
pyrolyzed polymer
quarter-mile
radio converter
rate of gas discharge
Redford's alloy
remblere
residence times
ribosome template
roamer
scorpaena grandicorniss
sheep' shank
shooting boots
slugging tablet making
splenick
stable distribution function
Swiss Reformation
tanty
Tapti River
terrestrial refraction
testing of statistical hypothesis
the magistracy
Tinest
tractus olfactohippocampicus
trapezia septata
truncated octahedrons
two-person game
unbarred
underbets
vimukti
Westerlo
xbas
yagudin