3HAC13389-2 ABB

ABB 3HAC026272-001
ABB 3HAC15639-1
ABB 3HAC046686-001
ABB 3HAC16035-1
ABB 3HAC029896-001

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Description

要使程序可读性好,所设计的程序就要尽可能清晰。要注意层次,实现模块化,以至于用面向对象的方法进行设计。要多用一些标准的设计。再就是I/O分配要有规律性,便于记忆与理解。必要时,还要做一些注释工作。内部器件的使用也要讲规律性

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