inertial matrix

例句：

1. 1. The inertial matrix is used to calculate the acceleration of an object.
   惯性矩阵用于计算物体的加速度。
2. 2.In space, the inertial matrix can be used to measure the effects of gravity on a spacecraft.
   在太空中，惯性矩阵可以用来测量重力对航天器的影响。
3. 3.The inertial matrix is a key component of many engineering calculations.
   惯性矩阵是许多工程计算的关键组成部分。