试验结果表明：结构在正常使用荷载作用下完全处于弹性工作状态，具有足够的开裂安全系数和强度安全系数。
The test results indicate the structure completely work at elastic state under the normal applying load and have enough cracking and strength safety factor.
本文指出，根据有限寿命疲劳强度安全系数法设计出的零件仍然有可能屈服失效。作者建议用寿命计算法和图解估值法代替现有的安全系数法。
This paper indicates that the components, which are designed according to the safety factor method of fatigue strength for the finite life, can also be yielded.
由于知道其强度，便可以反过来求出所用的安全系数值。
Knowing the strength, it is possible to work backward and determine what factor of safety was used.
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