敏感元件;检测元件

Scathing criticism is building against BP, the latest coming from Interior Secretary Ken Salazar. He just wrapped up his fourth trip to BP's offices in Houston to get a progress report on the oil spill cleanup in the Gulf of Mexico. Salazar was not h

发表于:2018-12-02 / 阅读(223) / 评论(0) 分类 2010年NPR美国国家公共电台5月

Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire

发表于:2018-12-24 / 阅读(200) / 评论(0) 分类 Scientific American(九)月

Antennae Key to Butterfly Navigation A study in the journal Science shows that monarch butterflies' sun-related directional sensing is governed by antennae, not the brain. Cynthia Graber reports Every year, millions of monarch butterflies fly thousan

发表于:2019-01-02 / 阅读(205) / 评论(0) 分类 60秒科学

Florida sophomore Kerron Clement broke Michael Johnson’s world 400-meter record Saturday night(2005-3-12), an unexpected display of speed that overshadowed team titles for the Arkansas men and Tenne

发表于:2019-01-03 / 阅读(179) / 评论(0) 分类 奥运英语

THE LEGEND OF ST. NICHOLAS 圣?尼古拉斯的传说 The legend of Santa Claus can be traced back hundreds of years to a monk named St. Nicholas. It is believed that Nicholas was born sometime around 280 A.D. in Patara, near Myra in modern-day Turkey

发表于:2019-01-08 / 阅读(248) / 评论(0) 分类 英美文化

Oranges and lemons, Say the bells of St. Clement's You owe me five farthings, Say the bells of St. Martin's When will you pay me? Say the bells of Old Bailey. When I grow rich, Say the bells of Shoreditch. When will that be? Say the bells of Stepney

发表于:2019-01-09 / 阅读(500) / 评论(0) 分类 鹅妈妈童谣

Navigation, 3-D Printing in Sensing Technology Lead to New Apps LOS ANGELES 3-D printing, high-speed navigation and a magic mirror are some of the technologies that have come from new computer chips with advanced spatial sensing. Technology startups

发表于:2019-01-14 / 阅读(168) / 评论(0) 分类 VOA标准英语2015年(九月)

On June 6, China published the first batch of photos captured by Gaofen-1, China's first high-definition earth observation satellite. Those pictures will provide valuable information of natural condition and disaster prevention. Li Dong has the detai

发表于:2019-01-19 / 阅读(177) / 评论(0) 分类 世界各地新闻集锦

By Jim Stevenson Fitzgerald Tennis Center, Washington, D.C. 07 August 2006 French tennis veteran Arnaud Clement has captured his second title of the year by defeating 19-year-old Andy Murray of Scotland, 7-6, 6-2, to win the Legg Mason Classic in Wa

发表于:2019-01-20 / 阅读(258) / 评论(0) 分类 2006年VOA标准英语(八月)

The most ambitious of these studies is the Stonehenge Hidden Landscapes Project, led by experts from Birmingham University And Ludwig Boltzmann Institute in Austria.-As people walk over the Stonehenge landscape, they are aware of Stonehenge. They may

发表于:2019-01-23 / 阅读(194) / 评论(0) 分类 探索与发现2015年

Leptin is a hormone made by fat cells that tells you when youre full. If you didnt have leptinand some people dontyoud eat too way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kids bo

发表于:2019-01-30 / 阅读(200) / 评论(0) 分类 60秒科学

Bruce Lee was a legend. He was a martial artist, philosopher, an actor and a filmmaker who inspired millions of people in their lives. 李小龙是一个传奇。他是一位武术家,哲学家,演员和电影制作人,其生平影响激励着数

发表于:2019-02-05 / 阅读(214) / 评论(0) 分类 阅读空间

Bruce Lee was a legend. He was a martial artist, philosopher, an actor and a filmmaker who inspired millions of people in their lives. 李小龙是一个传奇。他是一位武术家,哲学家,演员和电影制作人,其生平影响激励着数

发表于:2019-02-05 / 阅读(181) / 评论(0) 分类 英语口语

plateau n. (上升后的)稳定水平(或时期、状态) plug n.塞子 pockmarked adj.有麻点的 polar adj.两极的 pole n.极 porous adj.多孔渗水的 portable adj.轻便的 pose v.形成

发表于:2019-02-06 / 阅读(215) / 评论(0) 分类 英文语法词汇

NE China to set up two drone bases for marine surveillance SHENYANG, Oct. 20 (Xinhua) -- Two drone bases will be established in northeast China's Liaoning Province for real time surveillance on coastal waters, local authorities said Saturday. One of

发表于:2019-02-08 / 阅读(210) / 评论(0) 分类 英语新闻

2010年,圣诞老人(Santa Claus)庆祝了他的一千七百三十岁生日!其原型尼古拉斯(Nicholas)在公元前280年出生于利西亚小国,这个国家现已并入土耳其。 The origins of our Christmas traditions are the m

发表于:2019-02-18 / 阅读(290) / 评论(0) 分类 阅读空间

How to be a leader 如何做一个成功的领导者 [1]Being considered a leader in our society is the ultimate『最高的;极至的』compliment. Leadership has become the universal vitamin C pill, says psychologist David Campbell of the Center

发表于:2019-02-24 / 阅读(194) / 评论(0) 分类 英语美文

And the final thing is, again just to reiterate that there's this practical part, 最后,只是再一次重申,这个研究的实际应用方面, and so we've made these anti-quorum sensing molecules that are being developed as new kinds of the

发表于:2019-03-04 / 阅读(239) / 评论(0) 分类 TED演讲教育篇

Why this is interesting is because in the past decade we have found that this is not just some anomaly of this ridiculous, 这个发现之所以有趣,是因为在过去十年间,我们发现这种现象不只局限在这种古怪的、 glow-in-t

发表于:2019-03-04 / 阅读(262) / 评论(0) 分类 TED演讲教育篇

近日,我国首颗商用遥感卫星成功发射。这颗备受瞩目的星星都具备哪些功能?它的升空具有什么意义?在实现人们飞天梦的同时,它又能为我们的生活带来怎样的便利呢? 请看相关报道:

发表于:2019-03-11 / 阅读(247) / 评论(0) 分类 英文语法词汇
学英语单词
and-yes
angora sweater
anoy
ARCO process alloy reguline chlorination oxidation process
ASROC
assembly language programmer
autostrip
availability of notice to mariners
Biacnabato
block ideal
block trader
Bobâlna
Brachyactis
buoyant oar
buyer tariff
capped floating rate note
CCL
cephalopagus parietalis
channel vocoder
checking them out
chief operating officer
comporator
constrain numeric
convertible gold note
creamies
criterional
cyclosubstituted
cylindrical condenser
dacron
definiton
diffusion loss
Diprazine
drive-managements
dromond, dromon
electroimmunodiffusion
electronic oscilloscope
emergency units
engraved-roll coating
eustacio
exasperaters
exhaust diffuser
external network
fimbriatus
flush riveting
folded-pack garment
four-by-two
Frenkel's movements
gamma-component
hyposclerite (albite)
immunometric
inter-views
isy
itchy fingers
kept away
keyboard selection
license management
Linao B.
make someone's ears burn
mannars
mckain
medium-pressure engine
mei-yu period
memory selection criteria
negative meaning
neutron-deficient nuclide
non isothermal growth
non-reverse coupling
nonapprovable
not up sb's street
NRCR
opisthograptis punctilineata
optical source
oscular
per alia
peritonaeum
plastic structural cladding
porfa
pot furnace
power-amplifier stage
pressure tight body
protoboard
psychopathologizes
queueing mechanism
radio-cobalt
rafter and strut-framed dam
Raphidia sinica
Rely alloy
reverse press
saviourless
Schachter unio of cholinesterase
signal indictor
Society of Naval Architects of Japan
solution heattreated condition
spaceiest
stateful
super-long stroke crosshead diesel engine
Tree-forest
Tudan-dong
veal parmigianas
von Furth-Charnass' methods
Zerit
Zinkchrysotil