un. 转速频率;多普勒频率
[网络] 转速与极对数的乘积

Here's the news at 11:30. Thousands of people have marched through the centre of Corby in Northamptonshire to protest against plans to close the steel works, the town's major employer. The marchers de

发表于:2018-12-03 / 阅读(87) / 评论(0) 分类 英语解说豆知识2009年

What is Bluetooth? Bluetooth is a universal radio interface in the 2.45GHz frequency band that enables portable electronic devices to connect and communicate wirelessly via short-range, ad hoc netwo

发表于:2018-12-08 / 阅读(98) / 评论(0) 分类 新概念英语第一册Flash第2版

UNIT 4 Text A PRE-READING TASK Exercise 1 Before reading the passage, look at these questions. Then try to find the answers as you read it. 1. Where is the Bermuda Triangle located? 2. What happened t

发表于:2018-12-11 / 阅读(151) / 评论(0) 分类 实用英语综合教程

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

发表于:2018-12-13 / 阅读(125) / 评论(0) 分类 Friends 老友记全10季英语插曲

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(113) / 评论(0) 分类 2011年VOA慢速英语(十)月

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 fine [ fain ] This flat's fine for two people. adj. 舒适的 这套公寓适合两个人

发表于:2018-12-30 / 阅读(95) / 评论(0) 分类 每日攻克5词

Eat slowly, chew your food thoroughly, eat with a fork. These table manners dont apply in the world of competitive eating, or sometimes called speed eating. The goal here--eat as much as you can in a short period of time. Ladies and gentlemen, so it

发表于:2018-12-30 / 阅读(151) / 评论(0) 分类 国家地理2007年

迈克尔.杰克逊:Speed demon I'm Headed For The Border 我驶向边境 It's On My Mind 这就是我的心境 And Nothin' Really Matters 没有什么大不了的事情 I've Got To Be On Time 得准时到达才行 Look In The View Mirror 看看后视

发表于:2019-01-03 / 阅读(124) / 评论(0) 分类 迈克尔杰克逊经典歌曲

[ti:UNIT 7 Sports and Good Health Lesson56] [0:00.886]Unit 7 [0:03.266]Sports and Good Healthy [0:06.443]Lesson 56 [0:09.320]Unit Review [0:11.461]Ⅰ. [0:12.879]Building Your Vocabulary [0:15.624]A. [0:16.807]Fill in the blank with the proper word.

发表于:2019-01-09 / 阅读(137) / 评论(0) 分类 河北教育初中英语(初中起点)七年级下册

Robot Can Help With Farm Work 可以帮助农民干活的机器人 In the American state of Idaho, a robot moves between lines of fruit trees and grapevines. It is doing farm work. Called IdaBot, this robot is a prototype, or model. An engineering te

发表于:2019-01-12 / 阅读(393) / 评论(0) 分类 2016年VOA慢速英语(十一)月

High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are

发表于:2019-01-14 / 阅读(112) / 评论(0) 分类 VOA标准英语2014年(四月)

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(74) / 评论(0) 分类 TED演讲国际问题篇

美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are taking aim at them as well. At issue

发表于:2019-01-19 / 阅读(62) / 评论(0) 分类 VOA双语新闻 2014年4月

还记得孙燕姿那首红遍大江南北的《绿光》吗?翻越过前面山顶、层层白云,绿光在哪里?不知道有多少人跟小编一样,以为歌里的绿光只是对幸福的比喻。而其实在现实中,绿光是真实存在

发表于:2019-01-28 / 阅读(78) / 评论(0) 分类 实用英语

Chinese scientists have announced a gravitational wave research plan they're dubbing Taiji. The Chinese Academy of Sciences says their research plans will be finalized later this year. Academy member Wu Yueliang says their research will focus on low

发表于:2019-02-02 / 阅读(95) / 评论(0) 分类 英语新闻

There are many ways to express the frequency of events. Here are just a few. 你可以用许多方式来表达事情发生的频率,以下仅为其中一些。 1. a few times 1.几次 2. all the time 2.总是 3. almost always 3.几乎总是 4. almo

发表于:2019-02-03 / 阅读(125) / 评论(0) 分类 实用英语

Science and technology 科学技术 Channelling heat 传递热量 Good conduct 良好的传导 It may soon be possible to control heat flows with great precision 有可能实现对热流的精确控制 HEAT, as every schoolboy knows, moves in three w

发表于:2019-02-17 / 阅读(65) / 评论(0) 分类 经济学人科技系列

视频在英语中常表示为: video frequency (V.F.); vision frequency; visual frequency; video 例句: 1. 谁说视频游戏不能被赋予教育意义? Who says video games aren't educational? 2. 选择面广而且视频质量高。 High qualit

发表于:2019-02-18 / 阅读(85) / 评论(0) 分类 英语口语

Resume normal speed. 264. 恢复正常速度。 No speed restrictions. 265. 没有速度限制。 Request speed 200 knots due configuration. 266. 由于构型,请求减速到200节。 Request speed 250 knots due turbulence. 267. 由于颠簸,请求

发表于:2019-02-25 / 阅读(125) / 评论(0) 分类 飞行员英语900句

Wall Street analysts searching for reasons for the U.S. stock market's sharp swings in early August point to high unemployment, the European debt crisis and other basic economic problems. But some also suspect what is known as high-frequency trading,

发表于:2019-02-25 / 阅读(159) / 评论(0) 分类 英语新闻