用该方法表示的几何公差模型能合理地、有效地定义和解释当今的国家公差标准。
It is reasonable that the geometric tolerance model expressed by this method can effectively define and interpret the current national standard of tolerance.
常见的尺寸公差模型是对传统工程图尺寸标注的实现，缺少设计过程方面的理论支持。
Existing D & T models are more or less versions of dimensioning of conventional drawings, and should be based on a sound design process theory.
从零件加工成本与公差关系的现有统计数据拟合得到普遍表达式用于本模型。
A general expression relating the cost of component processing to the tolerance is obtained by fitting to existing data.
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