na. 灵敏部件

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(530) / 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(544) / 评论(0) 分类 60秒科学

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(521) / 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(532) / 评论(0) 分类 世界各地新闻集锦

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(528) / 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(512) / 评论(0) 分类 60秒科学

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(521) / 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(620) / 评论(0) 分类 英语新闻

[Storyteller] The journey began The fearless heroes left Heading for a place Far oh far away They had to warn Alron The prince of the North Of the terrible danger That threatened all the lands He holds the secrets Of the black magic His weapon is The

发表于:2019-02-11 / 阅读(546) / 评论(0) 分类 英文摇滚歌曲

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发表于:2019-02-19 / 阅读(502) / 评论(0) 分类 加州英语分级G5

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(560) / 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(714) / 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(541) / 评论(0) 分类 英文语法词汇
学英语单词
active capital
acute paralytic strabismus
ae.com
after-treatment of pigment
alyssum
analog switching
antimatroids
attasting
block iteration
burl dyed
carry the biggest guns
case framework
classical T Tauri star
clinospore
commutation rules
compound document service
conditional assembly directive
cooling-air duct
counter display
croftlands
Curone, Torrente
dampingdown
die forging
discharging print
disk-sealed tube
dust masks
endogermination
enter old password
estivations
ethoxyethyl acrylate
excoction
Extinction of Maritime Lien
f-k filtering
fies
Fingoe
frighty
gases attenuation
general affairs office
George Seamount
group sequential inspection
grouping of observations
ham(m)ada
hard-wearing
high precision grinding machine
hobby shop
horizontal vacuum belt filter
hysteresis phenomenon
immediate address instruction
internal security
introduce foreign capital
John Brown
jukes
juvenimicinA4
Kokoua
kxtv
lateral intermuscular ligament of arm
linear demand function
lori
machinery for vertical dampproofing
main service fuse
mainframe test program
mannite fatty acid ester
misunderestimations
mixed initiatives
multiprocessor software system
multiserotype
Muskego
non-suppressible insulin-like activity
northern rhodesias
oceanic sound scatterer
ocular hypotension
oscillatory burning
otp
Penrydd
performance method
petroleum geophysics
Plaindress.
Platonic hydrocarbons
plumb stern
pot-bellied
processed foods
psacadium bilimbatum
Queule
radicoid form
raskyn
reconsidered
request approval
Rhode Island and Providence Plantations
self-sealing oil seal
Selway R.
shaft alignment
solvation number of ion
speirings
spray fountain
system palette
taur-
tobar
total centre-of-mass energy
vendors' account
virus hoaxes
wecker