亚毫米波成像

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(602) / 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(277) / 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(156) / 评论(0) 分类 数学英语

By Melinda Smith Washington 30 March 2007 Since the mid-20th century the World Health Organization reports there has been an increase in the rate of breast cancer among women in developed countries. For decades, doctors have urged their patients to d

发表于:2018-12-16 / 阅读(267) / 评论(0) 分类 2007年VOA标准英语(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(178) / 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(167) / 评论(0) 分类 Scientific American(一)月

[00:01.17] 5.Did The Earth Move For You? [00:04.65]Eleven-year-old Angela was stricken with a debilitating disease involving her nervous system. [00:10.54]She was unable to walk and her movement was restricted in other ways as well. [00:15.98]The doc

发表于:2018-12-26 / 阅读(141) / 评论(0) 分类 温馨夜读II

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(145) / 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(244) / 评论(0) 分类 每日攻克5词

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(215) / 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(212) / 评论(0) 分类 英语每日一词

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-08 / 阅读(195) / 评论(0) 分类 Scientific American(六)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(181) / 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(168) / 评论(0) 分类 2016年VOA慢速英语(十)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(148) / 评论(0) 分类 绿箭侠第一季

By Chris Mitchell Washington, DC 06 April 2006 watch Medical Imaging report Medical experts have defended medical imaging as a way to improve health care, during a briefing at the U.S. Capitol buildin

发表于:2019-02-03 / 阅读(231) / 评论(0) 分类 2006年VOA标准英语(四月)

BEIJING, May 24 (Xinhuanet) -- CT scan, a widely used heart-imaging test, is likely to result in the over treatment for patients with heart disease, according to a study published online by the Archives of Internal Medicine on Monday. CT, which produ

发表于:2019-02-06 / 阅读(173) / 评论(0) 分类 英语新闻

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(173) / 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(184) / 评论(0) 分类 双语有声阅读

Afghanistan has become the first country to map its natural mineral resources using an advanced remote sensing technique known as hyperspectral imaging. The mapping, a collaborative effort between the U.S. Geological Survey and the Afghan Geological

发表于:2019-02-18 / 阅读(267) / 评论(0) 分类 英语新闻
学英语单词
abdominal aneurysm
anal fan
antigalactagogue
aquatic vascular bundle plant
baby box
Ballinskelligs B.
Bulbophyllum maanshanense
burn'd
cap ferret
channel image intensifier
check-valve guidance
colloid index
commancement
concrete form
conical chain
contaminated food
contraction of bank deposits
cooling work
corkgauge
crack starter test
Curza, Pta.di
cysterne
decristo
differential correction algorithm
differential shot statics
drive a carriage and six through
ear-phone
electrical appliance
environment mapped bump mapping
eugene paul wigners
fibrae terminalis
gas discharge display
genus Luscinia
glass ingredient
gona
gotoda
Gro t
Hashanot
hold tight onto oneself
hollow cone
holosiderite
Humphrey gas pump
individual economics
Jefford Point
jet advisory area
lamina infra-analis
law of wages
livestock trade tax
loop dialing
luminescent spot
Manzaneda, Cabeza de
megaparsec
Memet
menu costs
microaddress field
mine productive supervision
misguidingly
motor-vans
nesquehonites
nick-names
noise pop
non-silanized support
nonsecret
nontopological
Old Tom
olivaries
omtimeter
ore proportioning
paste-in
phenothiazine
pneumatic carrier
premature heading
proto-punk
pupa custodiata
purchase confirmation
quaternary geological map
reheat stop valve
rejection of a theory
Rhododendron bathyphyllum
rhythmising
rocket design
Sauveterre-de-Rouergue
scritch-scratch
semantosyllabic
spatialities
spiral cased water turbine
square your shoulders
staphylo-
stationary lead-acid storage battery
strongly acid
syndrome of wind-cold invading head
Takatsuma-yama
thermo(regu)lator
TV intermediate frequency modulator
unconvictable
What do you plan to do tomorrow
wimber
with one's eyes open
wooden ladder
word-processors
yanquis
yellow basses