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(515) / 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(215) / 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(102) / 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(132) / 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(137) / 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(128) / 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(106) / 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(179) / 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(170) / 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(148) / 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(161) / 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(162) / 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(183) / 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(147) / 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(130) / 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(115) / 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(137) / 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(108) / 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(134) / 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(127) / 评论(0) 分类 双语有声阅读
学英语单词
-enyl
accessory toe
ain defla
aircraft wire
alabama-coushatta
allin'
almagrerite (zincosite)
Amblystagium
Anundsjö
Ardales
auxiliary optical axis
belloni
booms
Bucalemo
careless mistake of operator
co-signed
conventional income statement
conversion volume of turnover
corrines
coxcombic
csicseri
culture pattern
degrade performance
dendrophagocytosis
double channel duplex (dcd)
draw a prize
drug eruption
erasable programmable read only memory
eruption of teeth
eruptive collagenoma
euboeas
explosion engine
extraparotid lymphatic glands
fra filippo lippis
freddi
g-proteins
gaseous law of volumes
gaths
graphitizing treatment
Gustav Robert Kirchhoff
hard roman
have the courage of one's convictions
heartlight
high pressure boiler tube
high-level mill
hydroxymethyl cytosine
immunobiology of peptides
information overload
khemarat(mueang kemmarat)
lactiflorous
leave sb. on the mat
lightbodies
lighting aperture
local automatic message accounting
London bullion market
low power voltage regulator
M.W.A.
manic phase
mini desktop PC
monchen
multilayering
murray gell-manns
musical agraphia
norstrom
Oberinntal
optical crytallography
packed key
plague spot
plan on doing sth
planar-axial class of symmetry
prerelapse
prophases
pseudometis praerupta
pulling it off
quarter squares
quintessential
Raoult's law
reasonest
reconsile
Regstrup
relanded
ring-back key
rump-state
saints'day
slip line method
soc (subcarrier oscillator)
stream bit transmission
subaerial fluvial system
substrate temperature
take a fort
third-rankings
throwch
unevenest
USB memory stick
wave on forked line
wharp
whatsome
wide angle sensor
Woll.
Y-block
yte