红外线发射光谱, 红外线发射谱

46.Vision Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of smell. In the course of evolution members

发表于:2018-11-28 / 阅读(375) / 评论(0) 分类 新概念优美背诵短文50篇

A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets

发表于:2018-12-07 / 阅读(410) / 评论(0) 分类 超大质量黑洞

Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of sme

发表于:2018-12-15 / 阅读(231) / 评论(0) 分类 新东方背诵文选

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 2015年Scientific American(一)月

Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of smell. In the course of evolution members of the prim

发表于:2018-12-30 / 阅读(124) / 评论(0) 分类 考研背诵50篇

Where Do Rainbows Come From? Throughout history, rainbows have been a source of mystery and legend. Rainbows are also important symbols in a number of cultures around the world. In the Old Testament o

发表于:2018-12-31 / 阅读(175) / 评论(0) 分类 有声英文阅读

Where Do Rainbows Come From? 彩虹来自何方 Throughout history, rainbows have been a source of mystery and legend. Rainbows are also important symbols in a number of cultures around the world. In the Old Testament of the Bible, for example, God s

发表于:2019-01-02 / 阅读(111) / 评论(0) 分类 双语有声阅读

OAM operation administration maintenance OCC other common carriers Ohms Restriction Ohms Restriction is the same as Ohms resistance. Ohms are measures of resistance. A resistance of one Ohm allows one

发表于:2019-01-03 / 阅读(146) / 评论(0) 分类 电信英语

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(144) / 评论(0) 分类 Scientific American(三)月

Large Windows Could Capture Solar Energy 利用大窗户吸收太阳能 Solar cells have been around since the 1950s. But now there is a race to develop transparent solar cell that can cover windows of buildings and still capture the suns light for e

发表于:2019-01-12 / 阅读(165) / 评论(0) 分类 2016年VOA慢速英语(八)月

The European Space Agency has launched into orbit, two space observatories that will help scientists understand the information of the universe. A visitor watches an Ariane rocket in an exhibition at the Gasometer in Oberhausen, western Germany, 01

发表于:2019-01-13 / 阅读(141) / 评论(0) 分类 VOA标准英语2009年(五月)

Juice Infused with Microscopic Particles Offers 'Unparalleled' View of Gut A new imaging technique involving a specially-prepared liquid that patients drink could help doctors better diagnose and eventually treat illnesses in the gut. The small intes

发表于:2019-01-14 / 阅读(175) / 评论(0) 分类 VOA标准英语2014年(七月)

新款应用程序将3D打印技术发挥到淋漓尽致 This imaging application is scanning a toy bear to create a character for the popular game Minecraft. 这款图像应用程序正通过扫描一只玩具熊来创造流行游戏《我的世界》

发表于:2019-01-14 / 阅读(121) / 评论(0) 分类 VOA标准英语2016年(一月)

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(139) / 评论(0) 分类 VOA标准英语2015年(九月)

【原文】 Where Do Rainbows Come From? Throughout history, rainbows have been a source of mystery and legend. Rainbows are also important symbols in a number of cultures around the world. In the Old Testament of the Bible, for example, God shows N

发表于:2019-02-16 / 阅读(114) / 评论(0) 分类 英语听力广播—Listening

Malaria killed 435,000 people last year, most of them in Africa. 去年435,000人死于疟疾,其中大部分在非洲。 The parasite that causes the illness is carried by females of some, but not all, species of mosquitoes of the genus Anopheles.

发表于:2019-02-16 / 阅读(156) / 评论(0) 分类 经济学人科技系列

46.Vision Human vision like that of other primates has evolved in an arboreal environment. In the dense complex world of a tropical forest, it is more important to see well that to develop an acute sense of smell. In the course of evolution members o

发表于:2019-02-17 / 阅读(129) / 评论(0) 分类 双语有声阅读

With a variety of bands, and price tags ranging all the way from $349 $17,000, theres an Apple Watch for everyone. Except, possibly, the heavily tattooed. 面向大众推出的Apple Watch,款式多样,价格从349美元到17000美元不等。现在

发表于:2019-02-17 / 阅读(162) / 评论(0) 分类 阅读空间

The James Webb telescope is being prepped for launch in 2021 and it will change the way that NASA views the universe. James Webb is designed specifically to look into the infrared, and this is an area of the spectrum where we have looked before, but

发表于:2019-02-18 / 阅读(149) / 评论(0) 分类 VOA标准英语2019年(一月)

Vision Human vision like that of other primates has evolved in an arboreal environment.In the dense complex world of a tropical forest, it is more important to see well than to develop an acute sense of smell. In the course of evolution members of th

发表于:2019-02-25 / 阅读(113) / 评论(0) 分类 双语有声阅读
学英语单词
-ison
a sea of flames
acinoscope
Albendin
all-personnel labo(u)r productivity
anneal(ing)
annular electrode
Arantius canal
Asterophycus
automatic squeezing machine
babyminders
bacterial protein
Barrero
caliber gage
call around
chick flickish
coil sterilizer
cold-stretched steel bar
conjugate convex cone
corinthian orders
cotten
cross re-cessed pan head thread cutting screw
Dalrymple, Mt.
demand carried forward
dialectical logic
dihydroxy anthraquinone
Dwight Filley Davis
filigreework
fixed resistance unit
forward robot problem solving system
germ-free isolator
globular pearlite
grass basketry
Gulfinishing
haaf
harmonically
heavy-set
helium dating
high water-level alarm
high-heel shoe
hit probability
IANAMD
Institutes of the Christian Religion
insulation thermal life
isomolar
judg(e)ment of Solomon
litmus
make its mark on
Manāqīr
mechanics of biological solids
Meppel
mercantile plane
merging of events
microfilm leader
milling releasing stuck
molecular replacement technique
mono-pitched roof
Mulug
news broadcast
Niobougou
nittings
nodal seal resonator
nortes
North Powder
Palota
parasitic suppressor
penerial
peridine
phytogeography (plant geography)
plastic product
pool of international
pristipomoides zonatus
Qulay'āt
radio navigation set
radioisotope-powered boiler
react with
recession time
redoute
retreating blade stall
riddile
S.S.C.
Shiwa Ngandu
simple periodic function
simplification of expression
single-instruction stream single-data stream
smake
sport philosophy
STABEX fund
sub bottom reflection
superimposed record
tapes
taut airship
teaspoonfuls
temporary spring
thorium fuel
tietjen
transmitter logic
trifling
tungsten coil furnace
two-position temperature controller
Urukthapel
zinc pentamethylene dithiocarbamate