inertia comparator

例句：

1. 1.The inertia comparator is used to measure the time it takes for an object to fall.
   惯性比较器用于测量物体下落所需的时间。
2. 2. In this experiment, we will use the inertia comparator to compare the acceleration of two objects.
   在这个实验中，我们将使用惯性比较器来比较两个物体的加速度。
3. 3. The inertia comparator was designed to detect changes in the mass and shape of objects.
   惯性比较器被设计用来检测物体质量和形状的变化。