分为卫星运行周期和卫星重复周期。
低廉的花费，相对快速的几个月的公转周期使得微微卫星在教育方面上的价值无法估量。
The low cost and relatively quick turnaround time of a few months makes nanosatellites invaluable from an education perspective.
他们的卫星设计成能与人类沟通，也能编译信息进行周期传输回安置卫星的外星团体。
Their satellite was designed to communicate with man, as well as compile information for periodic transmissions back to the alien group which had installed it.
本文从理论和实验的方法研究了具有周期热源变化的卫星不稳定热平衡问题。
A theoretical and experimental study of the unsteady thermal balance testing for the satellite with periodic heat source is presented in this paper.
应用推荐