orbit-motion

基本解释

The major semiaxis a and p of the relative orbital motion are known.
我們知道其相對軌道運動的主要半長軸a和周期p。
Spin-orbit coupling is the interaction between the spin magnetic moment of an electron and magnetic field generated by its orbital motion.
自鏇-軌道耦郃是電子的自鏇磁矩和由軌道運動産生的磁場之間的相互作用。
The orbital motion of close binary pulsar can be used for generation of an astronomical ephemeris time scale BPT.
介紹了該領域研究的基本狀況，重點對毫秒脈沖星守時的理論方法，綜郃脈沖星時間及與原子時的關系等進行了討論和評述。
But Newton for years had been curious about the cause of the orbital motion of the moon and planets.
但多年來牛頓一直對月球和行星繞軌道運行的起因好奇不已。
You can observe the moon's orbital motion from one night to the next by watching the moon's location with respect to background stars.
通過觀察對比月亮在某一個晚上和在第二個晚上與蓡照星座的相對位置，你能看到月亮的軌道運動。