声学海洋学

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(113) / 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(131) / 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(129) / 评论(0) 分类 Scientific American(五)月

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(154) / 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(180) / 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(152) / 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(187) / 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(128) / 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(134) / 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(169) / 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(113) / 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(135) / 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(113) / 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(151) / 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(139) / 评论(0) 分类 2016CRI中国国际广播电台

学科SUBJECTDISCIPLINES 科目Subjects 声学Acoustics 农业生态学Agriculturalecology 农业经济学Agriculturaleconomics 农业工程Agriculturalengineering 农业林学Agroforestry 分析化学

发表于:2019-02-04 / 阅读(142) / 评论(0) 分类 英文语法词汇

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(163) / 评论(0) 分类 实用英语

1. 关于主题型 Example 1: Oceanography has been defined as The application of all sciences to the study of the sea Before the nineteenth century ,scientists with an interest in the sea were few and far between .Certainly Newton considered some th

发表于:2019-02-09 / 阅读(105) / 评论(0) 分类 大学四六级阅读

雅思口语考试很多同学面临词穷的问题,考官问个问题,就点头答good...再问个问题还是good...一句话形容词重复多次。其实,很多同学并不是词汇量不足,很多时候是不注意积累。下面新东方网

发表于:2019-02-13 / 阅读(119) / 评论(0) 分类 雅思英语
学英语单词
abortable
alphasyllabaries
aperture-grill picture tube
Arquata del Tronto
as if one owned the place
axe-murders
beach waggon
Belostok
bind oneself
bring into use
Brion-Kayser disease
buckle cork
buttermilk biscuits
climatic numerical modeling
clodly
closed circuit turbine
coenogametangia
compound pipeline complex pipeline
consumer terrorism
continuous roller hearth
contracted jet
cotton brush fringe
craner
dictyoid
differential pressure pickup
down style
dumbek
echo distortion
effective impulse width
emetogenic
environmental vibration standard
exiture
fall back on sth
floor side frame
forcible purchase and sale
four - wire circuit
freitags
FullStream
gapin'
geniusloci
giangrandes
goldichite
Google Personalized Homepage
granate
heteractis
Hsin-ying
hydrazine sulphonate
hydroxyaphylline
internal reticular apparatus
JPOTF
Kaschin-Beck disease
kendoist
korta
Kuibis
lag a wager with sb
lamb-pie
laying of long rail
leeringly
load on spring
magnetic axis of the earth
make an honest penny
manual device backup
material mover
michelob
Mira Pampa
NBCD
ostro
paraquilegia microphylla (royle) ourmm et hutch.
personal diary
phenotype (johannsen 1909)
Pimpinella valleculosa
portable operating system for unix
post-modification
praiser
prediction relay control system
protective painting
Rajabasa
reactivity binding
Recsk
regnyl
regular primes
report of plant site selection
safety system
second-bottoms
signaling whistle
site specific recombination system
software subsystem specification
standard tar viscometer
Statesboro
Stewartia nanlingensis
study hall
substract
tailages
temperature propagation of frequency
thermotropic
to keep someone company
vaute
wanous
weight drop
wooden clog
yankauskas