单词：track radar set
单词：track radar set 相关文章
The search for Malaysia Airlines Flight 370 has officially ended, nearly three years after the plane mysteriously disappeared. Transport ministers from Malaysia, Australia and China announced Tuesday the search had officially been suspended. The Boei
2017年VOA慢速英语(一)月
backset, n 挫折，倒退；涡流，逆流＝check 【记】backset＝set back－倒退 【反】hike（n 远足，增加）
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Disabled Cyclists Set Sights on London Paralympics These athletes are at the top of their game. They faced off in Los Angeles in February for the Paracycling Track World Championships. Craig Griffin, training director for the U.S. paracycling team, s
VOA标准英语2012年(三月)
US Company Developing Space-Based Plane Tracking 美国公司开发太空基地飞机追踪技术 LEESBURG, VA One of the reasons Malaysia Airlines flight MH370 hasn't been found is because the plane couldn't be tracked continuously over the ocean. I
VOA标准英语2015年(八月)
Every year satellites are damaged or destroyed by objects orbiting the Earth's atmosphere. An Australian company is now using the latest laser technology to track these objects in order to reduce cosmic damage. Li Dong has the details. Even in space,
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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