isochronous vibration

例句：

1. 1. The mechanical system operates at a frequency that matches the natural vibration of the earth's crust.
   机械系统以与地球地壳自然振动相匹配的频率运行。
2. 2.The isochronous vibrations in the air are caused by the wind.
   空气中的同步振动是由风引起的。
3. 3. The scientists were able to detect the isochronous vibrations in the ground, which indicated an underground movement.
   科学家们能够检测到地面的同步振动，这表明地下有移动。