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1·The influence of stress amplitude on marble is much larger than that of frequency.

饱和大理岩具有显著的应力振幅效应和频率效应以及各向异性。

2·This limit is essentially a stress amplitude value over which higher stresses can not be transmitted.

应力波幅值高于该极限就不能通过。

3·The calculated results agree with experimental results in terms of stress amplitude impacted by machine stiffness.

就机械刚度对应力幅度的影响而言，计算结果与实验结果一致。

4·Fatigue life (Nf). The total number of stress cycles that will cause a fatigue failure at some specified stress amplitude.

疲劳寿命(Nf)：在某一指定应力幅值下，引起疲劳失效的应力循环总数。

5·When shifting both the mean stress and the dynamic stress amplitude, the influence on dynamic response is the most intensive.

平均应力和动载应力振幅同时改变时，对动态响应影响最大；

6·Under ultrasonic interval loading with air cooling, it all occurred at an internal inclusion in the whole stress amplitude level.

压缩空气冷却的间歇加载超声试样，在全应力幅范围均为夹杂物引起的内部破坏。

7·Through the study and analysis of this paper, it will offer the important basis for the method of fatigue design by hot spot stress amplitude.

通过本文的研究分析，基本掌握了三种节点的应力分布规律，将会对用热点应力幅建立疲劳计算方法提供依据。

8·It is shown by test results that at a given equivalent stress amplitude the constant amplitude fatigue life follows the lognormal distribution.

结果表明，在同一应力水平下，所用试样的常幅疲劳寿命服从对数正态分布。

9·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。

10·When the stress amplitude is small, modulus of materials after pre-mechanical cycling increased with the stress amplitude, and down when it is higher.

经过预力学循环的材料在应力幅值较小时模量随其升高，而较高时降低，主要和内部位错密度上升有关。