a radar reflector造句

During an upper - air sounding operation , the hydrogen - filled balloon carried a radiosonde and a radar reflector
在進行高空探測時，氫氣球上掛上一個無線電探空儀及一個雷達反射器。
During an upper air sounding operation , a balloon filled with hydrogen carrying a radiosonde and a radar reflector was released . the ascent rate of the balloon was roughly 360 metres per minute
在進行高空探測時，氫氣球上掛上一個無線電探空儀及一個雷達反射器，以每分鐘360米左右的速度上升。
It's difficult to find a radar reflector in a sentence. 用a radar reflector造句挺難的