gravity variations

• 重力变化

gravity variations的用法和样例：

例句

1. Gravity instruments are designed to measure variation in the force of gravity from one place to another rather than the absolute force itself.
   重力仪的设计是为了测量一处到另一处的重力变化，而不是绝对重力值本身。
2. The value of gravimeter surveys for gravity-change detection lies in the fact that gravity change indicates elevation change.
   用重力测量检测重力变化的意义在于，重力变化表示高程变化。