单词：photoelectronic tracking device
单词：photoelectronic tracking device 相关文章
Have you ever bought a new electronic device, or tried a new activity, and then dropped it because you were sure you couldnt possibly master it? Well, dont give up so quickly. Researchers performed six experiments that involved subjects trying out ne
Scientific American(七)月
【Trancript】 Change the toner cartridge A：I cant make out anything, the words are too light. I thought they have already changed the toner cartridge this month. B：It seems not or somebody has recently received a large fax. A：Ok, no problem.
白领快餐口语
One of the first lessons new drivers learn is to keep their eyes on the road. 新手上路的第一课，目视前方。 Unfortunately, cell phones and other electronic devices are causing many drivers to lose their focus and sometimes their lives. 然
医学英语轻松学
Beginners. It's that time of year again. I find myself rushing around with lists of things to do. I need to get the Christmas cards written and sent out to my list of friends and family. This year, we decided to send a family photo, which is what a l
英语博客 A cup of English
VOICE ONE: I'm Phoebe Zimmermann. VOICE TWO: And I'm Steve Ember with People in America in VOA Special English. Today we tell about a man who made possible one of the most important communications devices ever created -- television. His name was Phi
VOA慢速英语2008年（十二）月
EDUCATION REPORT - After 40 Years, Calculators in School Still Add Up to Debate By Nancy Steinbach / Broadcast: Wed, 7 Nov 2007 16:00:00 UTC This is the VOA Special English Education Report. Can you do the math: What is one hundred times four, divid
VOA慢速英语2007年（十一）月
Dogs are known for a strong sense of smell. Their noses can be trained to identify different odors. Dogs are often used in search and rescue operations and to sniff for things like drugs and explosives. Some dogs have even been trained to sniff for c
2011年VOA慢速英语(一)月
Technology Report - Mobile Devices' Location Tracking Raises Privacy Concerns This is the VOA Special English Technology Report. Lawmakers in the United States have expanded an investigation into the use of location-tracking systems on mobile devices
2011年VOA慢速英语(五)月
AS IT IS 2016-08-08 New Company Plans Very Small Electronic Medical Treatments 新公司将开发小型电子医疗方法 A new company has been created to research and develop medical treatments using bioelectronics. 一家新成立的公司旨在利用
2016年VOA慢速英语(八)月
Young Technology Expert Works to Stop Car Thefts Kenya is East Africas largest economy. Its capital Nairobi is growing quickly. But so is the citys crime rate -- the Nairobi Metropolitan Crime Observatory says thieves steal an average of 10 cars each
2014年VOA慢速英语(十一)月
Holiday Season Features Latest, Hottest Electronic Gadgets From tablet computers to smart cameras, the holiday season is a time when shoppers are on the lookout for the newest and coolest electronic devices on the market. When it comes to electronic
VOA标准英语2012年(十一月)
Today, as the development of the electronic products, people like to use the electronic products very much. They count on these products because they are so convenient and funny. So people pay a lot of attention on the electronic products, most peopl
英语作文
EDUCATION REPORT - High School Cyber Cafes By Jerilyn Watson Broadcast: Thursday, January 08, 2004 This is Bob Doughty with the VOA Special English Education Report. Cyber Café computer centers are f
教育与新闻
日本富士通实验室的研究人员开发了一种无线充电系统，可同时给一定范围内的手机、数码相机及手提电脑等各种移动设备充电，无需使用电缆。该系统最早可于2012年正式推出使用。该系统被
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One long, two short means it's me. 一长两短代表是我 All clear is two short, one long. 两短一长代表前方安全 And if you got Skitters following you? 如果有迅猎兽跟着你怎么办 You get the first shot. 你开第一枪 Awesome.
陨落星辰第二季
Todd: Alex, can you talk a little about working at a radio station? Alex: Yeah, sure. The Radio station at my school is called WMKP. I'm actually a DJ. Well, not the turn table DJ per se, but a DJ that just plays music and talks on the air a lot, so
英语访谈对话
PEOPLE IN AMERICA - Philo Farnsworth By Paul Thompson Broadcast: Sunday, June 06, 2004 (MUSIC) VOICE ONE: I'm Phoebe Zimmermann. VOICE TWO: And I'm Steve Ember with People in America in VOA Special En
People in America
Todd: Alex, can you talk a little about working at a radio station? Alex: Yeah, sure. The Radio station at my school is called WMKP. I'm actually a DJ. Well, not the turn table DJ per se, but a DJ that just plays music and talks on the air a lot, so
原版英语对话1000个
The market for smartphones and tablet computers has boomed over the last few years, with over a quarter of adults and nearly half of teenagers owning one in the UK. But as our appetite for technology increases, so does the risk of our devices being s
英语听力精选进阶版
The Tape Recorder The tape recorder is one of the most welcome and popular electronic devices ever invented. For example, it can reproduce sounds quite well, which are hardly distinguishable from the original. Besides, it is very handy and can be car
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