A radar beam picks out the moving target and stays with it all the time .

雷达波束能辨认出活动的目标，并一直跟踪该目标。

The radar beam sweeps back and forth from your 8 o ' clock to your 4 o ' clock position.

雷达波束在8点和4点之间来回扫描.

The wall is easily detected from space by radar because its steep, smooth sides provide a prominent surface for reflection of the radar beam.

城墙很容易被雷达探测到，因为城墙的竖直光滑的平面提供了一个反射雷达波束的突出表面。

A method of estimating the confidence interval for debris population using radar beam fence is described.

针对雷达波束篱笆空间碎片探测模式,提出了一种估计碎片数量置信区间的方法.