If you look really carefully, you could find it was not a single line but two lines, and Bohr is silent on such matters.
如果你仔细观察的话,会发现这是两条谱线而非一条,对这一研究,波尔不得不沉默。
So if you're really being anal, things are not going to line up in a perfect column.
所以如果你真的到最后,事物不会以一种完美格式,来排列。
Show me a place where that's not true where the tangent line will be really bad.
请给我个这个原则不对的例子,也就是说切线没起到相应作用的例子。
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