单词：laser pulse width
单词：laser pulse width 相关文章
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
VOA常速英语2008年（四月）
So how is it, doc? It goes alright? Good. OK. I have my pulse checked coz Jim from Texas says his pulse is fast, really fast and he'd like to know if he should worry about it. Is a fast pulse an indication of anything specific? Well, you'd know the n
访谈录2009
UNIT TWELVE [00:15.99]What letter is this?Picture 1. [00:23.54]What letter is this,Tony.It is B.Picture 2. [00:37.28]What number is this? It is eight.Picture 3. [00:51.15]What shape is this? It is a square.Picture 4. [01:03.87]What shape is this? It
小学综合英语1A
Volume 体积 Volume is how much space something occupies. 体积是指某一物体所占的空间。 In this case, space consists of three dimensions, length, width and height. 这样的话，空间由长、宽和高这三维组成。 Volume is pres
与美国小学生一起学英文第4册
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
2013年VOA慢速英语(二)月
Grief can drive people to extraordinary lengths. 语音讲解： 1.grief /gri?f/ 2.lengths/le?s/ 词汇讲解： 1.grief-grieve relief（放松）,grief（悲痛） 是名词 relieve（使.放松）,grieve（使.悲伤） 是动词 His grief was etch
自然拼读教材英语字母拼读法（学生用书）Book 3-2
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
2017年VOA慢速英语(七)月
哥哥的心愿 A friend of mine named Paul received an automobile from his brother as a Christmas present. On Christmas Eve when Paul came out of his office, a street urchin was walking around the shiny new car, admiring it. Is this your car, Mister
趣味英语
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
2013年VOA慢速英语(五)月
(SOUNDBITE OF MUSIC) DAVID GREENE, HOST: So it has been a year now since a gunman killed 49 people at the Pulse nightclub in Orlando. And today on StoryCorps, we're going to remember Deonka Drayton, one of the people murdered that night. She was 32 a
2017年NPR美国国家公共电台6月
黄金一直是高品质、美丽和财富的象征。称某种东西为金质的意味着它具有很高的质量和价值。今天我们通过例子来学习一下和golden有关的习语英语词汇吧～ 1.the golden rule 金科玉律；指导原则
英文语法词汇
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
VOA常速英语2007年（十一月）
Dentists and researchers have come up with the formula for the perfect smile, from the size and width of each tooth to the curve, colour and shape of the teeth, and the overall width of the smile. 牙医和研究学者已经研究出完美笑容秘诀，
阅读空间
Measuring just 1.2 meters high and the width of a single bed, rooms at the Taiyuan Shangjian Capsule Hotel are not the most luxurious. But with all the amenities of modern accommodations, including free Wi-Fi, a laptop desk and TV -- and at a cost of
cctv9英语新闻2015年
Lesson 334 Your pulse is regular. 1.Your pulse is regular.您的脉搏正常。 2.I have a regular diet.我的饮食是有规律。 3.I'm not a regular lawyer.我不是正式的律师。 4.He has no regular work.他没有正式的工作。 5.It's my
辛沛沛NO-BOOK 辛沛沛傻瓜机口语极短句
Only in the agony of parting, do we look into the depths of love. 语音讲解 单词发音 agony n.苦恼；极大的痛苦；临死的挣扎 parting n.分手；分离；分界点 depth n.(海洋)深度；深奥 连词发音 only in the agony of 轻读
跟着Gwen学英语之每日早读
在英语学习中，how与what是很常用的，在许多情况下，两者用法极为相似，只是句型结构稍有不同。 在许多情况下，两者用法极为相似，只是句型结构稍有不同： 1. 两者均可用来引出感叹句，
英文语法词汇
Lana measured Stubway's foot long sandwich. It didn't measure up. It was 11 inches long. She measured her friend's foot long. It was a tad longer, at 11.5 inches. For the next three months, Lana measured Stubway's sandwiches. She got her Facelook fri
英文短篇故事（纽约）
How vain and foolish, then, thought I, 于是，我心里想， for timid untravelled man to try to comprehend aright this wondrous whale, by merely poring over his dead attenuated skeleton, stretched in this peaceful wood. 那些足不出户的胆小鬼
白鲸记