It actually makes a difference when it comes to measuring precipitation, in particular, for ground radars.

当涉及到测量降水，特别是地面雷达时，它实际上是有区别的。

Archaeologists also may locate buried remains by using such technologies as ground radar, magnetic-field recording, and metal detectors.

考古学家也可以利用地面雷达、磁场记录和金属探测器等技术来勘定被埋遗迹。