单词：radar scanning antenna
单词：radar scanning antenna 相关文章
As the bee is trying to find her way home, she is tracked by the radar. She flies on auto pilot 500 meters northwest. She gets to where she thinks the hives should be, but of course it's not there, she has to use a different navigation system to find
探索与发现2013年
He had approached the villa on that night of the storm not out of curiosity about the music but because of a danger to the piano player. The retreating army often left pencil mines within musical instruments. Returning owners opened up pianos and los
有声英语文学名著
US space agency NASA has successfully located India's first lunar spacecraft Chandrayaan-1 that lost contact with ground controllers on Earth eight years ago. 日前，美国航天局NASA已经成功定位到印度首艘月球太空船--月球飞船一
英语新闻
Antenna 天线 An antenna is used for radio, television, radar and so on. 天线用于广播、电视、雷达等等。 It works in air and under the water. 它适用于空中和水下。 Antennas send signals and receive signals. 天线发送和接收
与美国小学生一起学英文第4册
The 1.5-kilogram drones, made of carbon fiber, are equipped with an infrared cameras, allowing them to see in the dark. They will also be fitted with radar systems and communications antenna to extend monitoring capabilities. But the truly outstandin
2016CRI中国国际广播电台
Doppler on Wheels Rolls Into Tornados Doppler radar reads the weather based on reflections from items moving through the air. Joshua Wurman was the first to put the technology on wheels and drive it directly into the path of a tornado. I invented Dop
VOA常速英语2013年(八月)