技术图纸。定向和定位公差。投影的公差带。
Technical drawings. Tolerancing of orientation and location. Projected tolerance zone.
第三章：建立圆柱要素尺寸公差、形状公差、定向公差和定位公差的数学模型。
In the third chapter, mathematical model of size tolerance, form tolerance, orientation tolerance and location tolerance of cylindrical feature was established.
第三章：建立圆柱要素尺寸公差、形状公差、定向公差和定位公差的数学模型。
In the third chapter, mathematical model of size tolerance, form tolerance, orientation tolerance and location tolerance of cylindrical feature was established.
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