【无线电、电视】偶极天线[亦作dipole,dipole aerial]

【话匣子英语】万圣节的乐趣

万圣节就快要到了，哈皮和毛拉的万圣节，他们是怎么过的呢，穿着奇异的服装，去邻居家里要糖果，是不是很有趣呢？ Harp: So, Halloween is celebrated on October thirty first (31st). Always the same day rega

发表于:2018-12-03 / 阅读(78) / 评论(0)

话匣子英语

听电影学英语-花木兰 02

[00:06.76]I live! 我复活了！ [00:11.36]So tell me what mortal needs my protection, Great Ancestor. 告诉我哪个凡人要我保护? [00:14.16]And let me say somethin'. Anybody who's foolish enough... - 木须 - 要是谁敢找我们花家的麻烦

发表于:2018-12-07 / 阅读(116) / 评论(0)

听电影学英语-花木兰

VOA慢速英语--折纸空间技术结合了艺术、设计、科学

Origami Space Technology Combines Art, Design, Science Since he was eight years old, Robert Salazar has been making artistic creations from folded paper. Now, he is taking his love of origami to a different place: outer space. Salazar works with the

发表于:2018-12-08 / 阅读(71) / 评论(0)

2017年VOA慢速英语(十一)月

VOA慢速英语 2007 1119a

DEVELOPMENT REPORT - A WiLD Idea: Wireless Long-Distance Internet for Rural Poor By Jill Moss / Broadcast: Sun, 18 Nov 2007 16:00:00 UTC Eric Brewer at his Berkeley Intel Research Laboratory This is the VOA Special English Development Report. Eric B

发表于:2018-12-15 / 阅读(82) / 评论(0)

VOA慢速英语2007年（十一）月

NPR 2011-05-17

A bit of good news for residents of Louisiana's Atchafalaya Basin this afternoon: Flood level projections have been lower slightly. But as NPR's Greg Allen reports from Baton Rouge, people who live along the Mississippi River and its bayous are begin

发表于:2018-12-17 / 阅读(101) / 评论(0)

2011年NPR美国国家公共电台5月

SSS 2008-02-27

This is Scientific Americans 60-Second Science. I am Adam Hinterthuer. Got a minute? Earlier this month, NASA announced that an MIT Physics professor will lead a team of scientists on a new mission. The objective: build a giant radio telescope on the

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Scientific American(二)月

新视野大学英语视听说教程 4 Unit 7-15

News Report Latest Space Walk from Space Station Script American astronaut Carl Walz and Russian cosmonaut Yuri Onufrienko took their first space walk outside of an international space station on Monday. Their mission was to move a construction crane

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新视野大学英语：视听说教程 4

电信专业英英词典T-2

Terrestrial Microwave Radio Terrestrial microwave radio is a transmission systems consisting of at least two radio transmitter/receivers (transceivers) connected to high gain antennas (directional ant

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电信英语

电信专业英英词典A-2

Analog - Transmitting information that is characterized by continuously variable quantities (such as with AM or FM). This is different from digital transmission, which is characterized by discrete bit

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电信英语

电信专业英英词典B-1

B-Mac - This is a method of transmitting and scrambling television signals; the are time-multiplexed with a digital burst that contains digitized sound, video synchronizing, authorization, or informat

发表于:2019-01-03 / 阅读(91) / 评论(0)

电信英语

NASA找到消失8年的印度首艘月球太空船

US space agency NASA has successfully located India's first lunar spacecraft Chandrayaan-1 that lost contact with ground controllers on Earth eight years ago. 日前，美国航天局NASA已经成功定位到印度首艘月球太空船--月球飞船一

发表于:2019-01-07 / 阅读(81) / 评论(0)

英语新闻

与美国小学生一起学英文第10册第6期:虫子

Bugs 虫子 What are bugs? Bugs usually have thick skin. 什么是虫子？它们通常有厚厚的外壳。 There are many kinds of bugs. 虫子有很多种。 Some bugs have body parts. 有些虫子有身体部位。 For example, antibodies have th

发表于:2019-01-10 / 阅读(117) / 评论(0)

与美国小学生一起学英文第10册

与美国小学生一起学英文第4册第12期:天线

Antenna 天线 An antenna is used for radio, television, radar and so on. 天线用于广播、电视、雷达等等。 It works in air and under the water. 它适用于空中和水下。 Antennas send signals and receive signals. 天线发送和接收

发表于:2019-01-10 / 阅读(106) / 评论(0)

与美国小学生一起学英文第4册

智能手机没让我们变傻

AS much as we love our digital devices, many of us have an uneasy sense that they are destroying our attention spans. We skitter from app to app, seldom alighting for long. Our ability to concentrate is shot, right? 我们喜爱我们的数码设备，

发表于:2019-01-30 / 阅读(152) / 评论(0)

阅读空间

Largest Cell Phone Study

> 11 关于使用蜂窝式电话安全性的研究 DATE=3-8-01 TITLE=SCIENCE REPORT - Largest Cell Phone Study BYLINE=George Grow ( Start at 59

发表于:2019-01-30 / 阅读(133) / 评论(0)

科技之光

加拿大研究人员开发雷达“隐身衣”

加拿大研究人员开发雷达隐身衣 TORONTO, Nov. 25 (Xinhua) --- Witches and magic may not exist, but Harry Potter's invisibility cloak certainly does. A pair of researchers in the Canadian city of Toronto have developed their very own cloaki

发表于:2019-02-05 / 阅读(146) / 评论(0)

英语新闻

全国职称英语等级考试试题（理工类）

第一部分阅读理解 (75分) Passage 1 CATV is a short way of saying

发表于:2019-02-07 / 阅读(82) / 评论(0)

实用英语

8 Health Problems You May Encounter With Your Laptop and How to Solve Them

8 Health Problems You May Encounter With Your Laptop and How to Solve Them Laptops due to their lightness, mobility and new facilities like WiFi, which allow people to use internet almost everywhere, have become an integral part of many people's life

发表于:2019-02-08 / 阅读(150) / 评论(0)

阅读空间

谷歌推出OnHub智能路由器

Google is attempting to put itself at the centre of domestic wireless networks with a new smart router that promises to improve WiFi quality and security. 谷歌(Google)正力求让自己置身于家庭无线网络的中心。该公司发布了一款有

发表于:2019-02-13 / 阅读(90) / 评论(0)

英语新闻

每日一词【996】old fashioned：老式，传统的

今天我们要学的词是old fashioned。 Old fashioned, 是老式，传统的意思。 Old fashioned values, 就是传统价值观。 She came from an old fashioned family, 她来自一个很传统的家庭。 The couple has an old fashioned mom a

发表于:2019-02-18 / 阅读(116) / 评论(0)

英语每日一词

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学英语单词

-metasone

3-Isoleucine-8-Ieucine-Vasopressin

abdella

after plating

all at one swoop

allowance for funds used during construction