The permissible diameter variation (Vdmp, VDmp) is the tolerance for the maximum and minimum mean diameters of one measuring plane.
允许的尺寸变化量是考虑到了最大和最小平均直径公差的测量平面。
Taking into account assembly tolerance and geometric tolerance, with the maximum and minimum method, a parallel degree calculating method for the missile launcher is put forward.
在考虑了装配公差和形状位置公差的条件下，采用极大极小法，给出了该型发射装置改进后的平行度计算方法。
Firstly, based on attribute minimum covers and tolerance relation, object attribute information granulations of attributes of objects are generated.
该算法利用基于相容关系的属性最小覆盖来求解对象各属性的对象属性信息粒。
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