Based on the broad-band random vibration test on a clamping support in missiles, this paper investigates the problems on evaluating the attachment bolt looseness in the structure.
本文在某支撑座结构模型宽带随机振动实验的基础上，研究了如何监测连接螺钉组松动故障程度的问题。
In the design of articulation hole bolt, the blur variable and random variable existing at the same time, the blur reliability design method of shear strength and extruding strength are approached.
探讨了在铰制孔用螺栓设计中，模糊变量与随机变量同时存在时，抗剪强度与挤压强度的模糊可靠性设计方法。
It is a wildly eccentric book, with random pages blank or solid blank, others with page skidding down the page edge like a lightning bolt, the plot nearly impossible to follow.
这是一本十分奇怪的书，书中时不时有空白页或是大段的空白。还有些地方版面排列如同闪电一样伸到书页的边缘，情节几乎无法让人读懂。
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