The length of time the lidar’s light pulse takes to return to the satellite provides information about where the clouds or particles are in the atmosphere.
激光雷达的光脉冲返回卫星所消耗的时间提供了大气中云或者粒子的位置信息。
2
How many times have we to return with only a glimpse of the light in the window, only the sound of the pipes from within the palace gates lingering in our ears.
曾经多少次,我们只是望一眼窗内的灯光就退出去了,只有宫殿门内的风笛声在我们耳中萦绕不散!
3
The light was failing, and he needed to return to camp before his colleagues started to worry.