In examining the radar problem it needs to be appreciated that a radar system will usually cover a very large volume of space and will be required to supply an enormous amount of accurate information in a relatively short time.

• 在考察雷达问题方面，需要重视的是雷达系统通常要占据很大的空间，同时又要求它在相当短的时间内提供大量的准确信息。