装配模型的结构体现了自项向下的设计理念，实现了装配树层次信息、配合信息和零件信息的分别管理。
The model embodied the top-down design idea, achieved the respective management of assembly architecture information, mate information and parts information.
给出配合偶件的工作要求，据此设计偶件的配合精度和适用的装配方法，以及相应的零件加工精。
Based on the working demands of mate parts, this paper designs the mate precision of mate parts, suitable assembly method and the working precision of corresponding parts.
轿车车身尾灯区与周边零件的配合间隙和高度差体现了整车的设计水平和制造装配水平。
Clearances and differences in height between rear lamp area of car bodies and ambient components represent the level of vehicle design and assembling.
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