[计] 声全息图

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(94) / 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(103) / 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(107) / 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(135) / 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(154) / 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(132) / 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(162) / 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(104) / 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(113) / 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(125) / 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(93) / 评论(0) 分类 Scientific American(八)月

This is the VOA Special English Technology Report. High-quality systems used in video conferencing are called telepresence systems. The images are life-size yet not truly lifelike. They lack the depth that people would normally see if they were in th

发表于:2019-01-12 / 阅读(83) / 评论(0) 分类 2010年VOA慢速英语(十一)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(116) / 评论(0) 分类 2015年VOA慢速英语(九)月

SCOTT SIMON, HOST: Marjorie Prime is a science fiction film, sort of, but without explosions, laser weapons or fire-breathing robots and mythical creatures. As the film opens, Lois Smith plays an elderly woman who's getting to know the lifelike holog

发表于:2019-01-16 / 阅读(76) / 评论(0) 分类 2017年NPR美国国家公共电台8月

ARI SHAPIRO, HOST: For decades, Holocaust survivors have told their stories to students and museum visitors in person and in videos. The Holocaust ended more than 70 years ago, and so every year, fewer survivors are alive to tell their stories. The I

发表于:2019-01-16 / 阅读(92) / 评论(0) 分类 2017年NPR美国国家公共电台12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(115) / 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(144) / 评论(0) 分类 实用英语

What is the cosmological effect of singer Zayn Malik leaving the best-selling boy band One Direction and consequently disappointing millions of teenage girls around the world? 歌手泽恩马利克退出热门的单向男孩乐队,进而导致数以百

发表于:2019-02-09 / 阅读(149) / 评论(0) 分类 阅读空间

He was watching TV. The commercials started. One after another they came, like subway riders going through turnstiles. Five minutes later, the program resumed. Ten minutes later, a new cluster of commercials started. Five minutes later, the program r

发表于:2019-02-15 / 阅读(92) / 评论(0) 分类 英文短篇故事(纽约)

Ever since money was invented there have been people trying to fake it. Thats why its important for everyone to know how to spot a fake banknote. And the best thing to do is to know by heart what genuine notes should look like. Here is our expert Lee

发表于:2019-02-16 / 阅读(79) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
acaro-
address recognition
alisporivir
amissness
art (-) gum
biobone
biologos
biotite aplite granite
Boston rocker
cameralucida
caroid
catbird
Cautleya spicata
chailly
Changjin-ǔp
Chic Slae
chinostrengite
chlorororm ether mixture anesthesia
Claudius cells
clausocalanus pergens
cluster coding techniques
colletotrichum caicae stevens et hall
commutator motor meter
compression packing
copy button
corycaeus (onychocorycaeus) agilis
crowngall nodule
cucumariids
debicki
dentinoxes
diabetes albuminicus
diabetess
diacetylaconitine
diffuse malignant mesothelioma of pleura
disembodying
doesburg
endoparasitisms
even forth
eye of the beholder
factionalized
folklore
form-factor table
fradette
get at sth
glide fold
greenfeed for pigs
incipient turbulence
internal rhymes
interrupted condition
inungate
ion combination reaction
lateral bine
low-water level
luyias
mesomeric vision
militaire
multibiometrics
multiplying constant
notice account
Nýrsko
old-master
out-works
overpunched
painter's work
pamperos
Parakondo
parasitic chylocele
Pars pylorica
peak chopper
Perquietil
pilocarpa
pitchcocking
powce
proestrum
pulse amplitude
rain-barrels
red-white-blue
residual compressive stress
rhomboid minor muscles
rock dash
roles
scaledowm
secondary affective psychosis
SEMPA
shoegazer
smoke-filled
soffici
spoult
stand back
storm board
switching-off
synecdochising
Takahagi
tracing device
transmission fabric
truth mark
two-fixture lavatory
variable drop pinion
vertex formulas
X-rayunit
yardsman
Yungang caves