complex number

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That complex number defines the "phase" of that spot in the orbital.
這個復(fù)數(shù)定義了軌道上那個點的“相”。
This example is a complex number that has a real component of 3.0 and an imaginary component of 1.2.
本例是一個實部為 3.0 和虛部為 1.2 的復(fù)數(shù)。
In fact, it can generally be a complex number with both a "real" part that's an ordinary number and an "imaginary" part that's multiplied by the square root of one.
事實上，它通常是一個復(fù)數(shù)的形式，包括普通數(shù)字的實數(shù)部分和需要乘以負(fù)一的平方根的虛部。

It could be positive or negative or complex, but it's just an ordinary number.
它可以是正數(shù),負(fù)數(shù)或者復(fù)數(shù),但它仍然只是一個普通的數(shù)
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選

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any number of the form a + ib, where a and b are real numbers and i = 1 &rarrsee number