It is important to judge the suitable type of distribution properly from a group of test data in fatigue and reliability research on mechanical parts.
由一组试验数据准确、简便地判断出其合适分布类型，对机械零部件的疲劳研究和可靠性分析十分重要。
The general problem in the fatigue test system that the amplitude and mean of load signal will be changed with test time and change of mechanical characters of specimens is analyzed.
分析了疲劳试验系统中存在的普遍问题，即试验载荷的峰值和均值随着试验时间和试件的机械性能变化而发生漂移。
The ordinary method for roadway fatigue test is using manual counter or electronic counter controlled by mechanical switch.
道路疲劳试验常见的计数方法，多采用人工计数或用机械传动控制点动开关的电子计数。
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