模式耦合激光器

数学英语 27 What is the Mode?

by Jason Marshall In recent articles, weve talked about two methods of calculating average values, the mean and the median, and weve talked about some everyday uses for them such as how to use median averaging to get better photos. But thats not all

发表于:2018-12-07 / 阅读(191) / 评论(0)

数学英语

VOA常速英语2008年-US Government Reviews Laser Eye Surgery

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

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VOA常速英语2008年（四月）

万花筒 2008-04-27&-4-28 植物油动力公车

Welcome to our home. Home for this quartet of eco-activists is a bus. And its touring the country to spread a message of sustainability. They call their effort bio-tour. We are seeing a society that is not living sustainably, that is exploiting reso

发表于:2018-12-11 / 阅读(101) / 评论(0)

万花筒2008年

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(122) / 评论(0)

2013年VOA慢速英语(二)月

【趣谈英语】飞行模式省电-Airplane Mode Saves Your Battery

Pre-Listening Vocabulary switch: move to a different position Wi-Fi: a wireless network that provides Internet connection Bluetooth: a trademarked name for a short-range wireless connection for computerized devices GPS: global positioning system, a s

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趣谈英语

考研英语长难句讲解第108期

3. This success, coupled with later research showing that memory itself is not genetically determined, led Erics-son to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one. 【分析】复合句。句子主干是

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考研英语长难句讲解

Watch the US Navy’s New Laser Weapon in Action

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(132) / 评论(0)

2017年VOA慢速英语(七)月

CCTV9英语新闻：China's ambassador to Finland: China eyes Finland's high technology

On the belt and road investment, China is hoping to get Finland on board for its technology. Let's hear what China's ambassador to Finland has to say. Although Finland is on the northwestern stretch of the bet-and-road area, but its new technology is

发表于:2019-01-05 / 阅读(237) / 评论(0)

cctv9英语新闻2017年

2005年NPR美国国家公共电台九月-Laser Work Earns Trio Nobel Prize for Phy

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(204) / 评论(0)

2005年NPR美国国家公共电台

VOA标准英语2013--The History of the Laser

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(183) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(152) / 评论(0)

2012年VOA慢速英语(一)月

英美人天天都在说的4000句 20:be all thumbs

[00:02]A：Don't work me. [00:04]L：I'll walk you through collecting the evidence. [00:07]Just describe the restraints. [00:23]A：They're strange-looking handcuffs. [00:25]They look more like old shackles or something. [00:33]And her feet are are b

发表于:2019-01-14 / 阅读(141) / 评论(0)

英美人天天都在说的4000句:跟着影视学最真实的口语

考研英语长难句讲解第167期

3. This success, coupled with later research showing that memory itself is not genetically determined, led Ericsson to conclude that the act of memorizing is more of a cognitive exercise than an intuitive one. 【分析】复合句。句子的主干是

发表于:2019-01-16 / 阅读(164) / 评论(0)

考研英语长难句讲解

TED演讲:我们的大脑是如何交流的?(10)

And I'm not sure how to fix it because I'm only a scientist. 我只是个科学家，不知如何解决这个问题。 But maybe one way to do it is to go back to the more natural way of communication, which is a dialogue, 但或许有个可行的方法

发表于:2019-01-18 / 阅读(126) / 评论(0)

TED演讲科学篇

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(157) / 评论(0)

VOA常速英语2007年（十一月）

英语新闻视频：Rocket launch a boost for California start-up

This is Xaero - a vertical take-off and landing vehicle being developed by Masten Space Systems. The California start-up hopes the rocket will eventually carry pay-loads for NASA to altitudes of up to 30 kilometres, mainly to collect atmospheric data

发表于:2019-02-03 / 阅读(98) / 评论(0)

英语新闻视频

微电子辞典-5

Early effect 厄利效应 Early failure 早期失效 Effective mass 有效质量 Einstein relation(ship) 爱因斯坦关系 Electric Erase Programmable Read Only Memory(E2PROM) 一次性电可擦除只读

发表于:2019-02-05 / 阅读(149) / 评论(0)

实用英语

英语口语怎么说“高端大气上档次”

如今，高端大气上档次已经成为众人耳熟能详的网络用语，凭借其无与伦比的受欢迎度，高端大气上档次一度位居十大网络用语的榜首。这句让无数互联网迷们捶足顿胸的潮流时尚用语，到底

发表于:2019-02-08 / 阅读(140) / 评论(0)

英语口语

美国俚语:飞行模式 airplane mode

如果你要暂时逃离这个世界，与世隔绝，暂时不想和熟人接触，你可能会不接电话，不带手机，不上社交网站。通常是因为和恋人分手或者是工作不顺。今天要介绍的俚语是airplane mode，用来形

发表于:2019-02-09 / 阅读(159) / 评论(0)

美国俚语

英语俚语天天说第262期:CP到底是什么意思?

介绍: couple 夫妻；情侣； They're a couple. 他们是一对。 a couple of 一些 I've been living in Shanghai for a couple of years. 我住在上海有些年了。 couple up 与某人结合和某人在一起 Jenny broke up with her ex and c

发表于:2019-02-13 / 阅读(128) / 评论(0)

英语俚语天天说

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学英语单词

acanthosoma

acetyl coenzyme A hydrolase

AdLacZ

amap

anisotropic lattice force