Rain information from weather radar for the public 23 may 2001 为公众提供天气雷达雨区信息2001年5月23日
2.
A distant rain area can sometimes show up on the radar image as " second trip echo " 遥远的雨区有时能在雷达图上显现成二次传输回波。
3.
A distant rain area can sometimes show up on the radar image as " second trip echo " 遥远的雨区有时能在雷达图上显现成二次传输回波。
4.
Showers are distinguished by their limited rain area under the cloud , and their short duration 特性是雨区局限在这片云的覆盖范围内，为时颇短。
5.
Showers are distinguished by their limited rain area under the cloud , and their short duration 特性是雨区局限在这片云的覆盖范围内，为时颇短。
6.
The distance of the rain is determined from the time it takes for the microwave to travel to and from the rain 至于雨区与雷达之间的距离，则可利用微波往返雨区所需的时间而计算出来。
7.
The above images show 3 - dimensional view of rain , in various shades of grey , as detected by hong kong observatory s radar 上图像为天文台雷达探测到的雨区，以不同灰度显示的立体图像。
8.
The above images show 3 - dimensional view of rain , in various shades of grey , as detected by hong kong observatory s radar 以上图像为天文台雷达探测到的雨区，以不同灰度显示的立体图像。
