Dubbed America's ray Gun, by 60 Minutes, the Active Denial System is really more a combination radar array and microwave.
被称为美国的射线枪，主动拒止系统更是一个雷达阵和微电波相结合的典型范例。
Spaceborne radar altimeter is an important active microwave remote sensor which is able to measure the oceans with high accuracy.
星载雷达高度计是一种重要的对海洋进行精确测量的主动式微波遥感器。
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