在orcad中一个元件有两个实例,一个叫Occurrences(产生),另一个叫Instances(实例).可以这样理解它们,每个元件都有它自已的occurrences,但相同类弄的元件只会有一个instances.而我们更新原理图里的元件编号时,一般都是按instances来更新的,如下图 2017.03.26备注:图片丢失 但是我们有……
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Manchester Code(曼彻斯特码)
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file_operations:write与read方法
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又将是一个没有情人的情人节
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