隔声系数,降声系数

wretched incidence broaden trader coefficient ass forthcoming loom elapse imperative reckless coupon conversion lily scorch soften conception abide attendance chunk craft count shorthand villa blond intellect

发表于:2018-12-01 / 阅读(202) / 评论(0) 分类 用Mp3背六级单词

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(101) / 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(104) / 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(134) / 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(149) / 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(128) / 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(155) / 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(99) / 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(107) / 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(115) / 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(87) / 评论(0) 分类 Scientific American(八)月

3.基尼系数 Gini coefficien 国家统计局局长马建堂首次披露过去10年全国居民基尼系数的变化后,北京也将适时公布本地区的基尼系数。 Beijing will release its own Gini coefficient for 2012, a National Bureau o

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 英语笔译

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(113) / 评论(0) 分类 2015年VOA慢速英语(九)月

白领英语晨读-131 Reduction of Your Tension 减轻压力

发表于:2019-01-17 / 阅读(110) / 评论(0) 分类 白领英语晨读

WASHINGTON President Barack Obama met with the U.S. Congress top Republican, House of Representatives Speaker John Boehner on Sunday in search of a deficit-reduction package that would prevent substantial spending cuts and tax increases from going in

发表于:2019-01-19 / 阅读(111) / 评论(0) 分类 英语新闻

BEIJING, July 25 (Xinhua) -- The Chinese government said Wednesday that it will expand the pilot reform of replacing turnover tax with value-added tax (VAT) to 10 more provinces and cities from August 1 this year as part of the country's efforts in s

发表于:2019-01-19 / 阅读(118) / 评论(0) 分类 英语新闻

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(114) / 评论(0) 分类 2016CRI中国国际广播电台

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(140) / 评论(0) 分类 实用英语

Obama calls for debt reduction in balanced manner WASHINGTON, Nov. 9 (Xinhua) -- The United States should cut its mounting public debt in a balanced manner with a plan including both government spending cuts and revenue increases, U.S. President Bara

发表于:2019-02-07 / 阅读(104) / 评论(0) 分类 英语新闻

Now for more analysis, let's bring in Tang Min, Counsellor at the State Council, and our senior reporter Xu Zhaoqun. Welcome, both of you, to our discussion. Q1: Let me start with you Xu Zhaoqun. You've been to a lot of villages in poor regions, and

发表于:2019-02-18 / 阅读(109) / 评论(0) 分类 cctv9英语新闻2016年
学英语单词
a year and a day
acreage reserve
alldredge
associative detachment
auricutin
baby break
bentazon
blasts from the past
broadwing
calming wind and eliminating phlegm
calopyrenomycetes
car turnround time
Catalanism
chasseur sauce
chemolithoautotrophic
Chetvërtyy Kuril'skiy Proliv
chronoamperometrically
churriguera
cides
cinnamon seeds
composition rule
coronae australis
court of high commission
cracking process
crazing
Cyclanthera pedata
dallenbach
Department of Political and Security Council Affairs
dictenophiura
discrete normal divisor
disengaging shaft
external organs
FEWSG
flexible stranded wire
fluidized bed firing boiler
gearless traction
Gerdtremmelite
global navigation satellite system(gnss)
grown form
impaction retractor
in connection to
individual mold method
industrial reflector
kick arounds
loew
low lactose milk
lytic gland
maximum time delay allowed
meat patty former
mlv
mmwd
Mockrehna
modelessly
nail a lie
navigational ranging
nervous excitement
nest command list
No skin off my nose
octabenzone
outworthed
oxford englishes
pacing motion
pannon
particularists
peneplain(peneplane)
penthaleid
permanent waves
pinpointed
plunger gear
predatory war
protosyphilis
rammadan
refractory pot
removable bridgework
renunciatory
residual unbalance
Rideau Lakes
saddle carbine
sandstone dike
scoop net
security requirements
semiconductor laser conference
Shortandy
single-way radio communication
static death
straight line coding
subacoustic
take ... temperature
take up a quarrel
Theatre of the Street
theoretical frequency
Thoissey
trenchmore (england)
typhodes
underwits
uterosalpingography
vascular resistence
vesdre (weser)
walk out the door
weasiness
yang kung y?eh