电磁波传播[时延]改正

1) Entrepreneurs are spending millions to create for-profit universities of the Internet, and the smart money is betting that by the time your middle schoolers go off to college, they may not really g

发表于:2018-11-28 / 阅读(192) / 评论(0) 分类 疯狂英语2002年

We Take Our Little Hands We take our little hands And go clap-clap-clap clap-clap-clap clap-clap-clap We take our little hands And go clap-clap-clap Its time to say good bye We take our little hands And go stamp-stamp-stamp We take our little hands A

发表于:2018-11-29 / 阅读(157) / 评论(0) 分类 Gymboree金宝贝早教歌曲

Talking about Time and Date Whats? Whats the date? Whens? Today is Its Its on What day is it? What day is today? What day of the weeks it? What time is it? Whats the time? Whats the hour? What time do you have? What time have your got? Whats the tim

发表于:2018-12-03 / 阅读(163) / 评论(0) 分类 新鲜人类俚语

Human life,like flood water and do not hear of islands and reefs,it is difficult to create beautiful waves. 人的生命,似洪水奔流,不遇着岛屿和暗礁,难以激起美丽的浪花。 图片1

发表于:2018-12-20 / 阅读(110) / 评论(0) 分类 Daily English-2016.04

Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a

发表于:2018-12-30 / 阅读(129) / 评论(0) 分类 国家地理2008年

She goes to the zoo. There are many animals at the zoo. She likes the monkeys. They have funny faces. They have long tails. They jump around a lot. She goes to the monkey cage. There are six monkeys in the cage. She looks at them. She waves to them.

发表于:2018-12-31 / 阅读(239) / 评论(0) 分类 儿童英语小故事

Astronomers: Evidence Found of First Stars Astronomers have observed what they believe is the formation of the universe 13.6 billion years ago, when the earliest stars were just starting to shine. The astronomers say their observations may also have

发表于:2019-01-03 / 阅读(91) / 评论(0) 分类 2018年VOA慢速英语(三)月

(THEME) VOICE ONE: This is Steve Ember. VOICE TWO: And this is Faith Lapidus with the VOA Special English program EXPLORATIONS. You are listening to our program today on a radio. Almost no communication would exist in the world without the electromag

发表于:2019-01-03 / 阅读(168) / 评论(0) 分类 2018年VOA慢速英语(九)月

Focal Length - Distance from the exact center of the dish to the center of the feed. Focal Point - The physical point in space toward which the satellite reflector dish directs the received signal so

发表于:2019-01-03 / 阅读(142) / 评论(0) 分类 电信英语

EXPLORATIONS - The Story of Radio By Paul Thompson Broadcast: Wednesday, June 01, 2005 (MUSIC) VOICE ONE: This is Steve Ember. VOICE TWO: Satellite technology can broadcast radio anywhere. And this is

发表于:2019-01-07 / 阅读(160) / 评论(0) 分类 Explorations

8 Errors You Must Stop Making I admit I'm guilty of some of them. Though it's not an easy thing, it is very important to correct the following errors if you want to lead a healthy life. 1. Skip a meal Skipping a meal can have more inconveniences than

发表于:2019-01-11 / 阅读(137) / 评论(0) 分类 阅读空间

And clearly, we are trying to find evidence of ET, and we are trying to do that by looking for a signal, in whats called the electromagnetic spectrum, which is a fancy way of saying the radio dial, at least for us. Let me turn on my radio here, okay,

发表于:2019-01-22 / 阅读(122) / 评论(0) 分类 自然百科2008年

图片1 Hey! Over here! Were over here! We are waving at you so you look over here! This weeks word is wave and all of its different meanings. Listen in and see if you are on the same wavelength as us.

发表于:2019-01-28 / 阅读(130) / 评论(0) 分类 英语博客-北美风情

broadcast, broadcasting 播送,播放,广播 live broadcast 直接广播,直播 rebroadcast 重播 recorded broadcast, recorded transmission 录音后广播 broadcasting station, transmitter 电台

发表于:2019-02-05 / 阅读(113) / 评论(0) 分类 英文语法词汇

Deciding where to place a Wi-Fi router at home to minimise signal blackspots is a fine art. But a physicist has attempted to tackle the problem by mathematically working out the optimum position for a router. He studied how walls and reflections affe

发表于:2019-02-08 / 阅读(140) / 评论(0) 分类 英语新闻

broadcast, broadcasting 播送,播放,广播 live broadcast 直接广播,直播 rebroadcast 重播 recorded broadcast, recorded transmission 录音后广播 broadcasting station, transmitter 电台 aerial 天线 indoor aerial 室内天线 network 广播网,电视广播网 wave length

发表于:2019-02-09 / 阅读(121) / 评论(0) 分类 英文语法词汇

Science and technology 科学技术 Searching for aliens 寻找外星人 The wow factor 防止再次意外 A new citizen-science project will improve the chances of finding ET 一个新的平民科学项目可以增大找到地外智慧的机会 EVER

发表于:2019-02-16 / 阅读(121) / 评论(0) 分类 经济学人科技系列

上班、上学迟到的时候,你会用什么借口向老板或老师解释呢?下面这些句子可能会对你有帮助哦。 1. Your watch must be fast。 你的表肯定快了。 2. I fell asleep in the shower。 我早上冲澡的时候睡着

发表于:2019-02-17 / 阅读(144) / 评论(0) 分类 实用英语

How Much,这首清新小调来自03年由蔡坤奇(陈绮贞的贝斯手)和娃娃 (Wave Radio的DJ) 两个人组成的独立乐团自然卷,歌词简单到只有两句话:how much I love you,you dont know。 Artist:自然卷 Song:How

发表于:2019-02-20 / 阅读(120) / 评论(0) 分类 金属

What do the names Whirlpool, Black Eye, and Sombrero all have in common? Are they all appliance brands, names of galaxies, special ops forces, or oceanic reefs? These are all the names of galaxies, massive concentration of stars. AZUZ: Of course, the

发表于:2019-03-04 / 阅读(207) / 评论(0) 分类 CNN美国有线新闻2019年1月
学英语单词
5FDP
active attitude control
anticytotoxin
arness
availability of notice to mariners
beg-pardon
benzazoline
benzyl-p-chlorophenol
binary rate
biomass
bioorganic
blast vibration
Blut und Eisen
Bockel
cait
Chatillon crush test
chemo-
chlorazol black
Chubong-ri
clad failure rate
co-worker accountant
command fault
common use
contact shift
crowning machine
cu.m
cubital venous pressure determinaton
deck stringer bar
decourre
defibrinized
doofer
ectobiology
estimated elapsed time (eet)
extruding screw
favorers
Fibercon
fig of Japan
fishing tools
fox-fire
fructus hordei germinatus
gas measuring flowmeter
genejenn
ground-loop
guess at sth
gyroscopically controlled
halophil
haroldius perroti
hastivess
head of table
heyderiol
HI complex
high-frequency analytical measuring method
histiopteris incisa
hypobetalipoproteinemia
jumping mice
Khomeini
kjelsosite
Labor-Management Reporting and Disclosure Act
let drop
longitudinal divergence
made her lucky
Mag.
manual plastering
micro-histories
Neubörger
nonjudgmental
notocentrum
ocean sampling and environmental analysis system
p'tit
panchion
pogoings
poly (ether-urethane)
pony-tail
pre-supposed
quinquertium
rajiv gandhi
ramie fabric
reamend
rearbitration
respiratory enzymes
routious
sastisfactory
seven to eight suspension
shyers
spent steel pickle liquor
spinibulbar
split version gas turbine
step button
subchanneling
Sugadaira
swim with the current
talkin' trash
telnaes
theoretical calculation
time axis
trapezonhedral hemipedry
tribilina
Tuthili's method
unquotably
WAML
white-tawer