It's going to be positive in terms of its wave function or in terms of its phase anywhere where y is positive.

只要ｙ大于零它的波函数,或者说是相位为正。

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That's not a positive and negative charge, that's actually a phase, and that arises from the wave equation.

这不是指正负电荷，它是指相位，这是从波函数中得来的。

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