激光饱和光谱学

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

发表于:2018-12-08 / 阅读(86) / 评论(0)

VOA常速英语2008年（四月）

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(72) / 评论(0)

2013年VOA慢速英语(二)月

VOA常速英语2014--New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(58) / 评论(0)

VOA标准英语2014年(二月)

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(87) / 评论(0)

2017年VOA慢速英语(七)月

America's Handguns are Controversial,

By Jeffrey Young Dunblane, Scotland. March 13, 1996. A man walks into a school with a number of handguns and opens fire. Sixteen kindergarten children and a teacher are slaughtered. Britain reacts wit

发表于:2019-01-03 / 阅读(73) / 评论(0)

VOA2004（下）--时事新闻

小米公司大力拓展线下销售高端小米6

Chinese smartphone vendor Xiaomi Corp, best-known for its online sales strategy, said on Wednesday that it aims to generate 70 billion yuan (10.2 billion dollars) in revenue from its stores in the next five years. 中国智能手机供应商小米公司

发表于:2019-01-03 / 阅读(79) / 评论(0)

阅读空间

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(139) / 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(116) / 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(86) / 评论(0)

2012年VOA慢速英语(一)月

苹果公司持续火热 iPhone销量创新高

The technology giant sold 47.5 million iPhones in the quarter to 27 June, up 35% on a year ago, with Mac computer sales up 9% to 4.8 million. The performance resulted in what chief executive Tim Cook called an amazing quarter.Profits rose by 38% to $

发表于:2019-01-17 / 阅读(60) / 评论(0)

实用英语

托福听力词汇量不够怎么办

听力薄弱的考生是很难在托福考试中得到高分的。首先考生对自己的词汇量应该有个基本的了解。考生可以翻看一下TPO练习的问题部分，如果连审题都有困难，那么建议先别急着考试，好好从

发表于:2019-01-17 / 阅读(89) / 评论(0)

托福英语

托福听力之3个听力词汇量的5大关键点

在托福考试中，听力是一个很重要的环节，而在听力备考的过程中，词汇又是非常重要的。在托福听力的备考过程中，我们细细翻一下TPO资料，如果发现连审题都有着困难，那么，这时候就建

发表于:2019-01-17 / 阅读(100) / 评论(0)

托福英语

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(101) / 评论(0)

VOA常速英语2007年（十一月）

三星发布智能手表抢占“可穿戴技术”时代

We've all been there, looked at our watches and panicked, just like in Alice in Wonderland. -It's just a rabbit with a waistcoat -- and a watch! -Oh, my dear and whiskers, I'm late! I'm late! I'm late! Now it seems, time is also running out for Smart

发表于:2019-02-07 / 阅读(83) / 评论(0)

英语新闻

外媒看中国：华为科技引爆全球热卖

Chinese tech giant Huawei on Wednesday said its global smartphone sales jumped by 39% in the first half of the year. 中国科技巨头华为周三称，其全球智能手机销售量今年上半年激增，增幅达39%。 It comes after the world's

发表于:2019-02-08 / 阅读(57) / 评论(0)

阅读空间

NASA发布照片：冥王星你为什么心碎？

During a news briefing at the Johns Hopkins Applied Physics Laboratory on Tuesday, NASA scientists revealed what they've gleaned from the latest photos of Pluto. The New Horizons spacecraft was set to make its closest approach of the dwarf planet on

发表于:2019-02-11 / 阅读(82) / 评论(0)

英语新闻

BBC：苹果公司持续火热 iPhone销量创新高

发表于:2019-02-17 / 阅读(76) / 评论(0)

英语新闻

电机行业常用的中英文对照

发表于:2019-02-18 / 阅读(141) / 评论(0)

英文语法词汇

托福考试话题类单词术语

话题类单词，术语托福考试的lecture话题非常广泛，虽然官方指南给出了艺术、生命科学、自然科学和社会科学四大类话题，但事实上这四个话题已经能囊括任何专业知识点了，知识面再广的学

发表于:2019-02-26 / 阅读(110) / 评论(0)

托福英语

托福听力中遇到太多的生词如何处理

很多考生托福听力薄弱，主要原因在于托福词汇量不够。听力薄弱的考生是很难在托福考试中得到高分的。可能很多考生对托福考试的整体印象是考试内容比较专业，有大量的专有名词，一拿

发表于:2019-03-04 / 阅读(123) / 评论(0)

托福英语

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学英语单词

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ad valorem import duties

ballistic reentry vehicle