扩频随机存取

摘要:和平与发展是当今时代的主题。但是在一片和平的氛围中也有一些不和谐的因素,许多地区仍然有战乱,而这些战乱地区的孩子们加入了和平教育项目,即在各种正式与非正式的教育机

发表于:2018-12-03 / 阅读(217) / 评论(0) 分类 英语听力小短文走遍全世界

SCIENCE IN THE NEWS - Diseases Spread by Mosquitos By Nancy Steinbach Broadcast: Tuesday, January 25, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Barbara Klein. VO

发表于:2018-12-07 / 阅读(187) / 评论(0) 分类 科技之光

If youre like most people, computers are becoming a part of your life, and it helps to know how they work. They seem complicated inside. But by understanding just a few parts, you can see a simpler side of computers. This is Computer Hardware In Plai

发表于:2018-12-11 / 阅读(216) / 评论(0) 分类 英语解说豆知识2009年

A Web-based experiment in which an idea was planted found greater penetration and more rapid spread of the idea in a dense network of participants with overlaps compared with in a loose network. Cynthia Graber reports 一项基于网络的实验表明,

发表于:2019-01-02 / 阅读(197) / 评论(0) 分类 60秒科学

By Carrie Giardino The government of Chad is calling for international assistance to fight a cholera outbreak in the country. The World Health Organization says it is concerned that the disease could

发表于:2019-01-03 / 阅读(209) / 评论(0) 分类 VOA2004(下)--健康科技

WAN wide area network WARC World Administrative Radio Consortium WATS Wide-area telecommunications services. See Wide-area telecommunications services. Waveform amplitude (magnitude) versus time repre

发表于:2019-01-03 / 阅读(248) / 评论(0) 分类 电信英语

Diseases can spread quickly. Someone with a cold infects a few casual contacts, who in turn infect others. Ideas can also spread that way, along so-called random networks. But Damon Centola at MIT says that ideas and beliefs spread faster and more ef

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 Scientific American(九)月

Some call it the hormone of love. Its oxytocin and it helps moms bond with and breast-feed their babies, and even keeps romantic couples content. Now a study suggests that this same hormone might also help people with autismby improving their social

发表于:2019-01-08 / 阅读(220) / 评论(0) 分类 Scientific American(二)月

By Sean Maroney Washington 21 February 2007 watch OnLine Information report Online Information An elite few -- newspapers, television networks, major corporations -- used to control the bulk of information. But with the spread of the Internet, more

发表于:2019-01-12 / 阅读(216) / 评论(0) 分类 2007年VOA标准英语(二月)

African Music, Interactive Media At Texas Festival At this booth sponsored by the independent music exporters of South Africa, or IMEXSA, South by Southwest participants were able to learn about what that country has to offer. Organizer Renneth Tschi

发表于:2019-01-14 / 阅读(289) / 评论(0) 分类 VOA标准英语2013年(三月)

SCOTT SIMON, HOST: Meeting your college roommate used to be one of the anxieties of the first week of school - but if you'd been paired with B.J. Leiderman, who writes our theme music. But these days, many freshmen meet in advance online and arrange

发表于:2019-01-16 / 阅读(219) / 评论(0) 分类 2018年NPR美国国家公共电台4月

Customer: So can you fix it? Sales Clerk: Im sorry sir. This computer is not broken or damaged. Its simply just too old! Thats why your programs and applications are running slow. There really isnt much I can do. Customer: What do you mean? I bought

发表于:2019-01-20 / 阅读(182) / 评论(0) 分类 纯正地道美语

电脑英语--常见硬件篇 CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,

发表于:2019-01-26 / 阅读(225) / 评论(0) 分类 实用英语

今天我们要学的词是random。 Random, 是随机、任意的意思。The firefighters have to undergo a random drug test once a year, 消防队员每年要接受一次是否服用毒品的抽查。The boxer refused to submit random blood tests

发表于:2019-02-03 / 阅读(267) / 评论(0) 分类 英语每日一词

Business people who have a shop, office or restaurant in the CBD (Central Business District) of Christchurch want access to their business. Most of the CBD has been closed since the earthquake in February. The Head of Civil Defence says it is too dan

发表于:2019-02-05 / 阅读(234) / 评论(0) 分类 新西兰英语

By Lisa Schlein Geneva 05 November 2007 Director-General of the World Health Organization says people in poor countries should not be denied medicine they need to treat illnesses such as HIV/AIDS and tuberculosis because of the cost. Lisa Schlein rep

发表于:2019-02-05 / 阅读(223) / 评论(0) 分类 VOA常速英语2007年(十一月)

电脑英语--常见硬件篇CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只

发表于:2019-02-15 / 阅读(228) / 评论(0) 分类 天天商务口语

Glossary for Telecomunications This glossary helps explain some of the acronyms and technical phrases Bluetooth A short-range wireless technology designed to allow connection of portable devices in a wire-free manner. For example connection of a wire

发表于:2019-02-18 / 阅读(227) / 评论(0) 分类 实用英语

CPU:Central Processing Unit,中央处理单元,又叫中央处理器或微处理器,被喻为电脑的心脏。 RAM:Random Access Memory,随机存储器,即人们常说的内存。 ROM:Read-Only Memory,只读存储器。 EDO:Ext

发表于:2019-02-21 / 阅读(176) / 评论(0) 分类 实用英语

We expect companies selling products to make them as available as possible. But now some of them are bringing back rationing. As you might expect, it's all part of a plan to make us spend more, not less. Once upon a time, goods were scarce, and hard

发表于:2019-02-21 / 阅读(175) / 评论(0) 分类 英语听力精选进阶版
学英语单词
2-chloro-5-hydroxy-meta-xylene
4-hydroxy-2-butanone
a tidy sum
abstract integral
acid-commbining power
afret
agarinin
alloy diffusion technique
annealed copper
argyranthemum frutescenss
atmospheric oxygen
autohemoantibody
bacterial inoculation
balance computer
bio-informatics
Bol'shoye Sverchkovo
border collies
breakers yard
capitalization value
carboseal
cicinnobolus cesatii de bary
compressed format
corneo-conjunctival
counterattackings
data transmission package
depth electroencephalography
deterministic input signal
dismarrying
disproove
disrupt the market
donatio mortis causa
duck's disease
echinococcus granulosa
ejection mechanism
epipubic bones
ermengard
esencial
evoes
extra long staple
F words
flak-jackets
flash coat
flexible roller cage
fordney
freesia armstrongii w. wats.
gas precooling
girlhoods
glenoid labrum
glisindamide
grounds of argument
heavy wire
inconspicua
indirect variation
infamously
infraorbitalis
inspection by mould bar
intercompany income
jahner
kandolo (kandole)
keep the log rolling
kiss-me-quick hat
limestone pellet
loss of all flame
Luzhou City
mercuriferous
meteorital
Misurata(Misratah)
nee'n't
one-all
outfleme
outside lag
overemotional
pnds
polymerization initiator
potential boundary
pressure-feed
pseudoplastic Reynolds number
Puebla de Lillo
radix sympathica ganglii ptorygopalatini
recapitulatory
recombinationvalue
resistive cut-off frequency
Satchell
says it all
semiwork
send-offs
shut ... in
simulated kill
Skanderborg
solosympodiella clavata
species identification
steel concrete composite girder
steering rack
Sullivan, John Lawrence
Swiss ball
takes hold
the thinker
toe hold
transport level
unsaleability
uroboros
wifeliest