And the regressiveorbit satellitr's trait is that the satellite can cover the earth periodic, it benefits the dynamic reconnaissance.
而回归轨道的特点是周期性地覆盖地球,这有利于对地球上动态目标的侦察。
2
The key points of the design under the restrained conditions, such as orbit node period, regressive cycles, regressive period, repeat period and others, were also presented.