毫米波天线阵列

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are u

发表于:2018-11-28 / 阅读(669) / 评论(0) 分类 新概念优美背诵短文50篇

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is abo

发表于:2018-12-01 / 阅读(317) / 评论(0) 分类 新东方背诵文选

by Jason Marshall We use a lot of math words in our day-to-day lives without really understanding what they mean or where they come from. For example, prefixes like mega, giga, and tera that we use to describe computer hard drive sizes (think megabyt

发表于:2018-12-07 / 阅读(194) / 评论(0) 分类 数学英语

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece

发表于:2018-12-24 / 阅读(215) / 评论(0) 分类 Scientific American(三)月

This is Scientific America's 60 second science, I'm Sentay Graber, this will just take a minute. Magnifying glass, telescope, tiny tiny tape measure, these are the weapons with which researchers are fading it out to find the world's smallest frog.One

发表于:2018-12-24 / 阅读(224) / 评论(0) 分类 Scientific American(一)月

Magnifying glass, calipers, teeny tiny tape measure, these are the weapons with which researchers are fighting it out to find the world's smallest frog. One team just announced the discovery of the unaverage 7.7 millimeter p* which can sit comfortabl

发表于:2018-12-24 / 阅读(205) / 评论(0) 分类 Scientific American(一)月

Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacteria are us

发表于:2018-12-30 / 阅读(186) / 评论(0) 分类 考研背诵50篇

说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 long [ lCN ] I longed for a bicycle. v

发表于:2018-12-30 / 阅读(298) / 评论(0) 分类 每日攻克5词

Brian didnt have cable TV. He didnt have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He looke

发表于:2019-01-02 / 阅读(272) / 评论(0) 分类 简单慢速英语阅读

Brian didn't have cable TV. He didn't have satellite TV. He had an antenna for his TV. He had an indoor antenna. But it was an old antenna. The reception was bad. He needed to buy a new antenna. He went to Best Buy. The antennas were in boxes. He loo

发表于:2019-01-02 / 阅读(235) / 评论(0) 分类 原版英语小短文

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(270) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是heat wave。 Heat wave, 热浪,高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气

发表于:2019-01-07 / 阅读(272) / 评论(0) 分类 英语每日一词

By David McAlary Washington 14 September 2006 The International Space Station has spread a new pair of golden wings. They are solar panels that will double the amount of power available to the outpost. Unfurling them took longer than expected becaus

发表于:2019-01-07 / 阅读(276) / 评论(0) 分类 2006年VOA标准英语(九月)

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(七)月

AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea

发表于:2019-01-12 / 阅读(222) / 评论(0) 分类 2016年VOA慢速英语(十)月

Early warning systems can be the difference between life and death in earthquake-prone regions. But they are expensive. The US, Mexico and Japan have such systems. That leaves large swats of central and South America, Asia and the Caribbean unprotect

发表于:2019-01-20 / 阅读(181) / 评论(0) 分类 2015年Scientific American(四)月

In 2016 the Laser Interferometer Gravitational-Wave Observatory, LIGO, made the first accepted detection of gravitational waves. So any time you move a mass it produces a gravitational waveso black holes, like the ones LIGO detected, these are stella

发表于:2019-01-20 / 阅读(230) / 评论(0) 分类 2017年Scientific American(三)月

Got ballistics back on the Holder murder. 霍尔德凶案的弹道分析出来了 They pulled two 7.62 millimeter bullets out of him. 他们取出了他身上两枚7.62毫米的子弹 According to the stippling and size of the entry wound, 根据伤口

发表于:2019-01-29 / 阅读(193) / 评论(0) 分类 绿箭侠第一季

Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacter

发表于:2019-02-17 / 阅读(200) / 评论(0) 分类 双语有声阅读

48 Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bac

发表于:2019-02-17 / 阅读(215) / 评论(0) 分类 双语有声阅读
学英语单词
-rices
acceptance of goods
afunction
agglutinum
alchylus
alpha-Chimerin
americanum
astronavigators
auxlilary ingredient
bagads
barosaurs
be jointly liable
bey daglari
biflorus
capital input constant
cheine
Chia-ling
Chiapas, Estado de
Cholguan
chromospheric bubble
communions
conversional
dfs forest
die clamp
dimensional instability
do duty as
door-knob transition
driving lane
Drumlea
employee assistance program
end-on ligand
EPM
euboias
evaporation water loss
Ex-date
faldore
fortification curtain
g string
generalized hypergeometric differential equation
geos (geodetic earth orbiting satellite)
glcycodeoxycholate
Glyphomitrium
gross trailing load
Higashiyamato
high grade cast steel
hot cocoa
hybrid communication system
i-graunted
in-line filtration
jor
kroehnkite (kr?hnkite)
Kweichouphyllum
lamb-time
lamella grid
larger foraminifera
lay sth under requisition
Leucosyke
Lieutenant Generals
liquid-level connection
Listeriaceae
macoubeine
magnetic pick-up device
make anything of it
maturity phase
meena
MSU (main storage unit)
muliensis
multistation modular machine tool
nancee
neillia sinensis oliv.
non - profit corporation
non-flame conveyor belt
nuclear-emulsion detector
O'Higgins, C.
offline reader
oxycephalic
palaeocarpilius
pellet bomb
periston
phase lag
planned performance
rabbetted
radiesse
re-edits
run ones eye through
scarification test
shift sb off
skatecore
sparkling fabric
Stirling's series
stripwound
thinly-sliced
time-barred
trail.label
transsubstantiation
truss-head screw
tsk
turnesa
unheimlich
unreasonable cutting slope
Wagga Wagga
whaddaya