说明了预测复合系统偏差和规定组成元件公差的一些一般原则和方法，以满足组件的功能要求和公差规范。适用于建筑行业内所有类型的组件和由元件组成的其他系统的公差和偏差。

Indicates some general principles and a method for predicting deviations in composite systems and specifying tolerances for the constituent elements in order to meet functional requirements and tolerance specifications for the assembly. Applies to tolerances and deviations in all kind of assemblies and other systems composed of elements, within the building industry.