stress amplitude ratio的意思|示意

Calculation of crane metal structure on fatigue life may be carried out according to either stress ratio or stress amplitude in related structure.

起重机钢结构的疲劳寿命计算，可采用应力比法或应力幅法。

Through the stress-controlled test the effect of the amplitude ratio, the average stress, stress amplitude and loading rate on the ratcheting strain and strain range are studied.

通过应力控制，研究了幅值比，平均应力，应力幅，加载率对棘轮应变以及棘轮应变幅的影响。