音标:[ˈsəʊˌnɑ: ˈsistəm] ;
[医]声纳脉冲测距系统

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发表于:2018-11-27 / 阅读(421) / 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(264) / 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(198) / 评论(0) 分类 听电影学英语—泰坦尼克号

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(309) / 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(200) / 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(167) / 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(159) / 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(217) / 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(194) / 评论(0) 分类 健康与环境

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(334) / 评论(0) 分类 60秒科学

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(200) / 评论(0) 分类 新西兰英语
学英语单词
35mm camera
active level transformation
all-party
answerback
apparent direction
appendicostomy
association control service element
automatic message accounting system
bat a thousand
bilands
bimanual percussion
black kernel
block count exit routine
chainbelt picker
civil penalty provision
cockahoop
cold-bloodedly
compression chamber effect
condensation rate
correct angle of lead
coupler tail
Cz.
delay picture transmission
dendrolagus ursinus
dramaticle
Dyer Bay
egg-yolks
electric power backup
extrusion angle of die
fiberduodenoscope
forest plant
frangos
fryrear
fsu
full mature relief
generalized polytope
give rate units
gravity sluicing system
gross heat of combustion
guard block
hatchable
heat-transfer circuit
hemorrhage of gastrointestinal tract
hepatic region
insulated-gate field effect transistor
interpolation set
kick off
Kirsehir
landforms
leckeys
Llanwern
lobtailing
log chute
low warp
marisse
mauremys sinensis
merger by absorption
mesylation
metal-clad drawout type switch gear
mid deck
naxagolide
Ongi
organoactinides
overbreak of opening
perinenrial
phonetic hearing
phonings
postal money transfer
prescheduling
Qowowuyag (Cho Oyu)
quarter-saw
radio-frequency circuit
radix angelicae anomalae
receiver crosstalk
redhawk
scaridium longicaudum
screamathons
see a great deal of company
Sele, Selat
Seopo-dong
serpentinzation
shade curtain
sicklings
skip out on
slainer
social classification
Stachybotrys atra
sternoxiphoid plane
tenthredo horishana
tepees
Teulada, C.
thoughtfullness
three component system
Tiékongoba
tooth flank radius
ullage reference
water cancer
weight-trainings
well input
will training
Zanthoxylum simulans Hance