[电] 声功率

Power of auditing Restricting(限制) the power of government leaders at various levels within reasonable limits is something the central government has been doing for the past couple of years. How effective this effort is will make a great diffe

发表于:2018-12-11 / 阅读(96) / 评论(0) 分类 英语新闻

The New Age of Nuclear Power By Spencer Reiss / Originally published in Wired . Get ready for the mass-produce, meltdown -proof future of nuclear energy 1 A team of Chinese scientists advising the Bei

发表于:2018-12-19 / 阅读(177) / 评论(0) 分类 彭蒙惠英语

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(89) / 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(89) / 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(90) / 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(122) / 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(140) / 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(119) / 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(139) / 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(95) / 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(99) / 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(96) / 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(79) / 评论(0) 分类 Scientific American(八)月

The Power Of Love 歌手:Celine Dion 专辑:Grammy1995 The whispers in the morning Of lovers sleeping tight Are rolling like thunder now As I look in your eyes I hold on to your body And feel each move you make Your voice is warm and tender A lov

发表于:2019-01-10 / 阅读(117) / 评论(0) 分类 英语歌曲收藏之一

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(100) / 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(82) / 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(113) / 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(98) / 评论(0) 分类 2016CRI中国国际广播电台

At age 89, Mary Fasano graduated with a bachelor s degree from the Extension School last week and entered the history books as the oldest person to earn an undergraduate degree at Harvard. Following is the speech she delivered -- The Power of Knowled

发表于:2019-02-04 / 阅读(108) / 评论(0) 分类 阅读空间

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(133) / 评论(0) 分类 实用英语
学英语单词
5-diazo-4-oxo-L-norvaline
additional auditing procedures
advective pressure tendency
aeromagnetic
anorthoploid
architecture parlante
arteriography
basmalah
betsy rosses
brothlike
buttir
Cantalupo in Sabina
cenesthesis
Chamaea fasciata
constant bearing course
constrained minimization problem
corrosion-proof paint for brass
cost-recovery basis
crested screamer
crushed stone concrete
damouritization
damping agent
DDRD
defluidized cap
deformed layer
dich-
discovered
DMD, D.M.D
dodecamerized
Du-Ter
dye-gelatin filter
eamons
enantiodromiac
expanding type
farmed out
Fasciculus proprius lateralis
financial strength rating
foreyards
geodesic parallel coordinate
groovier
healweave
huttons
hypertrophic pyloric stenosis
ichthyological systematics
Ilirska Bistrica
Jugiong
kinin system
kiss-curl
limbersrope
mail bombed
mantella aurantiaca
mercaptoundecanoic
merls
metahistoriographic
microscopic sizing
mild cognitive impairment
MOPB
mortised joint
nauticus
neutralized sour cream butter
nt server
nuclear metallurgy
onthophagus (onthophagus) kuatunensis
package tourist
palaeogeophysics
parrochite
pedelecs
peoplesofts
plunger method
port of coaling
praseodymium nitride
process physical metallurgy
rack one's brain s
reactive hot isostatic pressing
regiones infraorbitalis
relation file
remote sensing and telemetry
reunion dinner
royal stremmas
Simhala
skipfuls
sodium monoxide
sound culture (africa)
soya-bean oil
spatial distance
Styrax argentifolius
super-hot
system exercisor
take issue against
thermoplastics
thralls
Trans-AMCA
transpo
tremonti
turbopause
ultraviolet absorption spectroscopy
unmoulted
valve gear member
water space
whistle valve
wireroom