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请问大家，如果a/b 是一条曲线， b有的时候为0，如何在编程中很好的处理？我一般采用 a/(0.000000000001+b)来实现。感觉并不是很好，
如果a/b 是一条曲线， b有的时候为0
要根治的话，就是让b不为0
