With structure of microcontroller, introduced ways of code optimization, they are technology of OOT and constructed indirect addressing mode with RAM, save considerable code room.

结合单片机的结构，介绍了几种代码优化的方法，采用OOT技术和用ram构造间接寻址方式，可以省下可观的代码空间。

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Proper layout of draw bead is one of the key ways on controlling forming quality of ram parts in automobile panel formation.

合理布置拉延筋是汽车覆盖件成形中控制冲压件成形质量的主要手段之一。

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