该模型可用于含初始缺陷或意外损伤的螺旋桨叶无限寿命可靠性分析和设计，得到桨叶可靠度与初始裂纹尺寸之间的函数关系式。
The model is applicable to the reliability analysis and design of infinite life for propeller blades or other structural members with initial defects and accident damage.
最复杂的企业组织形式是有限公司。有限公司被设计拥有无限制的寿命。
The most complex kind of business organization is the corporation. Corporations are designed to have an unlimited lifetime.
通过对该螺栓做无限寿命可靠度校核，发现原设计的螺栓规格取得偏大且初始预紧力也取得过高。
By checking its reliability during unlimited service time, it is discovered that the screw bolt size of present design is bigger, and the pre - stressing force is higher as well.
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