本文考虑了非对称三角形螺纹的螺距偏差和牙侧角偏差的各种组合对作用中径的共同影响，运用了包容图位移法，分析和推导出非对称螺纹作用中径的精确计算公式。
By the use of the displacing enveloping drawing method, a set of exact formulae for calculating the virtual pitch diameter is deduced and verified by measured data.
的弹性三角包容和裂纹之间的相互作用的影响。
The interaction between an elastic triangular inclusion and a crack is investigated.
本角规用于裁剪下料时，能包容多种功能，且使用方便快捷。
The utility model is used for cutting the baiting, can contain multiple functions, and is convenient and fast to use.
用最小包容区域法求平面度误差。最小包容区域判别准则有三角形准则和交叉准则。
Flatness error was obtained by minimum zone law which decided by triangle rule and cross rule.
这次展览在承认差异，包容个性的同时，以冰山一角展露时代艺术的面貌。
This exhibition unfolds the art world of the time as a tip of an iceberg while acknowledging the differences and containing individualities.
这次展览在承认差异，包容个性的同时，以冰山一角展露时代艺术的面貌。
This exhibition unfolds the art world of the time as a tip of an iceberg while acknowledging the differences and containing individualities.
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