orbital velocity

• 轨道速度

orbital velocity的用法和样例：

例句

1. It is impossible that the man-made satellite never loses its orbit velocity.
   人造卫星永久保持轨道速度是不可能的。
2. Kepler's second law means that a planet's orbital speed changes with its distance from the sun.
   开普勒第二定律指行星的轨道速度与其和太阳的距离。