The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.

承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。

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While stress is mental, the symptoms of stress are mostly physical, such as skin problems, high blood pressure, fatigue, insomnia and frustration, etc.

压力产生于心理，压力的症状却大多出现于外在，例如皮肤疾病、高血压、疲劳、失眠、烦躁等。

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The contact fatigue tester has high contact stress, small volume, low noise, low consumption of test sam-pl, stable driving system and reliable results.

认为该装置具有接触应力大，体积小，噪声小，一次试验耗油量小，试验系统传动稳定，试验结果可信等优点。

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In the latest StressPulseSM survey by ComPsych Corp, which provides employee assistance programs, 63% of the employees polled said they had high levels of stress with extreme fatigue and feeling out of control.

FORBES: Workplace Stress is Curveball Lobbed at Employee Emotional Intelligence