[电] 声学工程

New Award Could Become Nobel for Engineering At Buckingham Palace, Queen Elizabeth presented her first ever Prize for Engineering, including one million British pounds, to Americans Robert Kahn and Vincent Cerf, and Frenchman Louis Pouzin for inventi

发表于:2018-12-08 / 阅读(189) / 评论(0) 分类 VOA标准英语2013年(六月)

When Pablo Panda Sandoval made history with 3 home runs in game one of the world series his head was probably buzzing. But when batters in chilly Detroit had the ball not quite right in the next couple of the nets, it will be their hands that buzzing

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea

发表于:2018-12-24 / 阅读(198) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(191) / 评论(0) 分类 Scientific American(五)月

I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for

发表于:2018-12-26 / 阅读(186) / 评论(0) 分类 纯正英语一分钟

I think the idea of genetic engineering is fascinating. Its also quite dangerous. Fiddling around with what makes us human might make us less human. We could end up creating a Frankensteins monster. The idea of genetic engineering has been around for

发表于:2018-12-28 / 阅读(191) / 评论(0) 分类 听一分钟英文-G

Scientists analyzed around 2,500 of those calls, and found that the second part (sound) is nearly identical in pitch every time from each whale: 16 hertz, or four octaves below middle C. And the slight variations in frequency that do exist are only a

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 60秒科学

Hybrid cars are good for the environment. But scientists say that they might be bad for pedestrians. Because hybrids are so quiet, it can be hard for walkers to hear them until its too late. Listen to this. [quiet car sound] Thats a Toyota Prius mov

发表于:2019-01-02 / 阅读(234) / 评论(0) 分类 60秒科学

Can you name those notes? Probably notperhaps one in 10,000 speakers of European languages has perfect pitch, the ability to recognize a note without having heard any reference note first. But theres a much better chance you could successfully name

发表于:2019-01-02 / 阅读(211) / 评论(0) 分类 60秒科学

If you ever got picked on in the schoolyard, you might have wished for some sort of superpower: like unbeatable speed or maybe just the ability to completely disappear. Now scientists at the College of Wooster in Ohio say that you might have had a s

发表于:2019-01-02 / 阅读(256) / 评论(0) 分类 60秒科学

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Every year, scores of manatees are killed by boats in Floridas waters. Their plight is an ecological concern. And everyone from marine biologists to Marg

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(五)月

We humans are pretty good at communicating with sounds other than words. But how much of this is hard-wired, and how much do we pick up from others? To find out, researchers recorded the nonverbal sounds of people born deaf, as they responded to a ra

发表于:2019-01-08 / 阅读(267) / 评论(0) 分类 Scientific American(十一)月

Blue whales off the California coast make calls that, sped up 10 times, sound like (sound of two-part call). The original is a wall-rattling frequency too low for us to hear. Scientists analyzed around 2,500 of those calls, and found that the second

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(八)月

Country Music Ladies Put Men in Their Place American country music lyrics often describe women as they might appear in mens dreams. This is especially true of songs by many male artists. But the songs by Maddie Marlow and Tae Dye are different. The t

发表于:2019-01-12 / 阅读(205) / 评论(0) 分类 2015年VOA慢速英语(九)月

Boston Symphony Makes Music in Mountains When Serge Koussevitzy, the Russian-born conductor of the Boston Symphony Orchestra, opened Tanglewood in 1937, he chose an all-Beethoven program, including the Pastorale Symphony. When conductor Christoph von

发表于:2019-01-13 / 阅读(162) / 评论(0) 分类 VOA标准英语2012年(七月)

By Alisha Ryu Nairobi 18 November 2009 A U.S.-flagged container ship which was hijacked by Somali pirates seven months ago has been attacked again off the coast of Somalia. Pirates were unsuccessful in their second attempt to hijack the Maersk Alaba

发表于:2019-01-14 / 阅读(204) / 评论(0) 分类 VOA标准英语2009年(十一月)

The Tiangong-2 space lab, though adopting the structure of Tiangong-1 without too many changes in appearance, has been designed to function much stronger than its predecessor. Zhu Congpeng, chief designer of the lab, says they've focused on a variety

发表于:2019-01-19 / 阅读(190) / 评论(0) 分类 2016CRI中国国际广播电台

84 利用基因技术提高粮食产量 DATE=8-14-01 TITLE=AGRICULTURE REPORT - Genetic Engineering Crop Debate BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(231) / 评论(0) 分类 科技之光

通知与确认 Acknowledgments Confirmations 通知对方接到来信Acknowledging receipt of letters1. Dear Mr/Ms,Thank you for your letter No. A-3 of 6th May, offeringus 6 UI-4 Viewdatas. We have passed it on to ourTechnical Department for their c

发表于:2019-02-06 / 阅读(221) / 评论(0) 分类 实用英语
学英语单词
actino-mycotic
alkylations
all-through school
allegoristic
american centauries
Amprius
atomic adsorption
bilinear law
blue sweat
busbar frame
camera dolly
camera stand
ccna
central interrupt system
chop circuit
circular tunnel lining
container insurance
crystal angles
decomposition hazard
dibasic aminoacid
direct exploration method
diseases of the skin
dished head
end-of-data-mark
endothelial phagocyte
energy jump
FACDS
Fink trusses
fluoroscopy of chest
force time space
generalized homology group
goatfish
hemianatropous
hunanense
hydroxyxanthones
inhiation
initial boundary value problem
intercommunication flip-flop
interference suppression filter
jiashe
Khakas
l-N-ethylephedrine hydrochloride
leloir
Linex
lotted
magnify glass
mainlinings
materialized record
MCAllen
MCC (main control console)
meligeni
Melilla
meliorators
mentionable
metrify
MFB
middle article
mitre/miter gear
MODFET
multireel unlabeled file
N-Methylamphetamine
navigation dome
New Fish Creek
nonreturn-to-zero change on one recording
Palaeoryctidae
panjwin
Parasympathectomy
peep door
pentafunctional initiator
pitch of worm
pre-number
pure continuous waves
quarter-chord point
radio frequency pulse
rami radicis (dentis)
recoil-operated action
resonance rayleigh scattering
revisualisation
ring throstle
roined
sanfilippo disease
sea-control operation
sindonology
smokeless cigarette
sprung out
superior people's procuratorate
supply house
synchronous recorder
thalassiosira decipiens
That's about it.
therapeutic reflex
tin-nickel coating
tipunas
trammel-net
Trypanosoma berberum
upgradient flux
velocity rod
werefound
xerarch sere
Yours to command
Zemsky Sobor