systems having two degrees 两个自由度系统
The word "mahogany" can be understood, in Danish, as having two meanings.
“红木”这个词在丹麦语中,可以理解为有两个意思。
He is in the enviable position of having two job offers to choose from.
他有两份工作可选,真让人羡慕。
"It relies on having two things," she said.
“这依赖于两点”,她说。
Jurgen Rehm said having one or two drinks a day is not as harmful as having seven drinks at once.
VOA: special.2009.09.08
If souls are simples and simples can't split, there's no possibility of having two things with a relevant soul.
如果灵魂是单纯无法分割的,就没有两个实体拥有相同灵魂的可能。
So what that means is that we're limited in any atom to having two electrons per orbital, right, because for any orbital we can either have a spin up electron, a spin down electron, or both.
这意味着在一个原子内,每个轨道上可以有两个电子,对吧,因为对任何轨道,我们可以有自旋向上或者自选向下或者两者都有。
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