| 释义 |
sphere of instability
基本例句
不稳定区
The excitation frequencies of all simple and combinational instability regions shifted because of the mode variations with increasing ply-angle of the composite plates.随复材板叠层数目增加，各单频与混频不稳定区之激发频率往高频处偏移，且各不稳定区激发频率之间距亦增加。 |