单词：chirp of single-frequency laser
单词：chirp of single-frequency laser 相关文章
The Mighty, Mighty Mascots 吉祥物 by Christine Newton Wearing a bright yellow jumpsuit, white face paint, and a long-sleeved red and white shirt, he isn't a new fashion icon. His bright red hair, nose, and mouth make him a natural in his position
常春藤解析英语
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）
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
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
VOA标准英语2014年(二月)
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o
Scientific American(五)月
[00:05.30]不,全错了. [00:10.61]A:Thank you,doctor.I'll follow your adivce to the letter. [00:13.24]A:谢谢,大夫.我将严格按您的建议去做. [00:15.88]As for the mecicine,two tablets each time,two times a day,right? [00:19.30]这种药,一
英语流行口语
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
Multimode Optical Fiber(S) Multimode fibers, with much wider cores than single mode fibers, allow light to enter at various angles, and reflect (bounce off of) core-clad boundaries as electromagnetic
电信英语
Frame In time division multiplexing systems, Frame is a sequence of time slots each containing a sample from one of the channels carried by the system. The frame is repeated at regular intervals, (nor
电信英语
中文 英文 缩写 单（点）播 unicast 单板 board/card 单边测试 one-sided test 单边带 Single Side Band SSB 单边带调制 single sideband modulation 单边带自适应差分 single ban
电信英语
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
2005年NPR美国国家公共电台
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
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
2012年VOA慢速英语(一)月
Tech Tools Offer Relaxation Techniques We all experience tension in our lives. In fact, technology can often be a source of the tension. But technology can also help us relax and think less about our troubles. Sometimes, Facebook posts, tweets, or we
2016年VOA慢速英语(五)月
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）
施耐庵，元末明初的文学家，本名彦端，祖籍：江苏兴化。博古通今，才气横溢，举凡群经诸子，词章诗歌，天文、地理、医卜、星象等，一切技术无不精通，35岁曾中进士，后弃官归里，闭门
英语口译
My phone is gone forever. I will wear this in remembrance. 我再也找不到我的手机了。我戴上它以此纪念吧。 Bros, keep it together. 伙计们，我们要淡定。 I have an idea. We're gonna take justice into our own hands. 我有主意
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