So we would say we have a positive phase here and a negative phase there.

我们可以说我们在这,有正相位而这有负相位。

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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。

麻省理工公开课 - 化学原理课程节选