疲劳

Fatigue, stress or allergies can increase the likelihood of a canker sore .

疲劳，压力或过敏能增加口腔溃疡发作的可能性。

"Carbon steel has high and low temperature strength , is very tough and has excellent fatigue strength ."

碳钢具有高温和低温强度，具有很高的韧度和优异的抗疲劳强度。

The result shows that:(1) AEMG of time characteristics and MF, MPF of frequency characteristics can supervise speed rock climbing athletes' fatigue condition of flexor carpi and extensor carpi when they train their upper extremity muscle strength.

结果表明：(1)sEMG信号分析中时阈指标AEMG和频阈指标MF、MPF都能较好监控速度攀岩运动员进行上肢肌力量训练时腕屈肌及腕伸肌的疲劳状况。

A kind of method to evaluate and test the tension-compression fatigue strength of gray cast iron was introduced in this paper.

介绍了一种评价与测试灰铸铁铸件的拉压疲劳极限的方法。

According to the analysis of traffic incidents causation, 49% of the incidents are due to driver fatigue.

对大量交通事故的致因分析表明，49％的责任事故缘于驾驶疲劳。

The results show that DFR-corrosion-influence-factors are decreasing as the increasing of ground-corrosion-time and the aggravating of environments causticity. The influence of corrosion fatigue is much serious than that of ground-corrosion. The example of structure fatigue analysis with DFR method under corrosive environment shows the detail steps and data requirements.

通过试验测定了各种典型情况的DFR腐蚀影响系数，试验结果说明DFR腐蚀影响系数随着地面停放腐蚀时间的增加和环境腐蚀性的增强而降低，腐蚀疲劳的影响较停放腐蚀的影响更严重。

Results showed that the main wear mechanism of automotive engine Oil -pump chain was fatigue wear , and its failure mechanism was the initiation , propagation of cracks and flaking on top layer of pin and bush .

结果表明，汽车发动机机油泵链的主要磨损形式为疲劳磨损，销轴？套筒零件表面的裂纹生成？扩展与剥落是其主要磨损失效机制。

The result shows this method can be utilized to char...

试验表明这种方法可以有效地表征和预测涂层的疲劳寿命。

Instead of being afraid, the charwoman just lifted up one of the chairs from near the door and stood there with her mouth open, clearly intending not to close her mouth until the chair in her hand had been slammed down into Gregor's back.

她也许是想等到什么时机再把东西拿走吧，也许是想先堆起来再一起扔掉吧，可是实际上东西都是她扔在哪儿就在哪儿，除非格里高尔有时嫌碍路，把它推开一些，这样做最初是出于必须，因为他无处可爬了，可是后来却从中得到越来越多的乐趣，虽则在这样的长途跋涉之后，由于悒郁和极度疲劳，他总要一动不动地一连躺上好几个小时。

I come in chatroom, after exhausted from work, is to know more friends,to improve my communication

在我去聊天室，主要是在疲劳的工作之余，来这里认识更多朋友，提高自己语言交流能力，交换信息，放松自己。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。