单词：high precision components
单词：high precision components 相关文章
Tonight on Best Kept Secrets, we go inside one of the world's most secretive crime-fighting organizations, the Federal Bureau of Investigation. How does the FBI solve cases like the Oklahoma City bomb
揭秘联邦调查局
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
Agriculture Report - Why 'Precision Agriculture' Is a Good Investment This is the VOA Special English Agriculture Report. Precision agriculture is a way of thinking about how to improve production and get more from existing resources. It often involv
2012年VOA慢速英语(六)月
U-2 Spy Plane Still Flying High One of the oldest planes the United States Air Force still flies is used to carry out some of America's most sensitive and critical missions. Whether it's aiding NATO troops in Afghanistan, providing surveillance over
VOA标准英语2011年(十二月)
New Supercomputer Could be World's Fastest Scientists at the Oak Ridge National Laboratory in the U.S. state of Tennessee have unveiled what could be the worlds fastest supercomputer. The new computer, named Titan, is capable of making more than 20,0
英语新闻
Three new-generation BeiDou navigation satellites were launched last year, and 98 percent of the components were Chinese made. BeiDou Navigation Satellite System has been in operation since 2000, making China the third country with an autonomous nav-
英语新闻