So using multiple references minimizes the need to be absolutely certain that all of the modes of the system can be reasonably well excited from only one reference location.

所以，利用多参考点就减少了绝对性把握的要求，这个要求是仅从一个参考位置就可以相当好地激起系统的所有阶模态。

youdao

So using multiple references minimizes the need to be absolutely certain that all of the modes of the system can be reasonably well excited from only one reference location.

所以，利用多参考点就减少了绝对性把握的要求，这个要求是仅从一个参考位置就可以相当好地激起系统的所有阶模态。

youdao