Not only did we figure out a way to describe how we quantify it, but we've also quantified how we tell the difference between covalent and ionic, and percent ionic character.

我们不仅想出了一个办法来描述,我们如何定量它，而且我们也定义,我们如何分辨共价性和离子性，以及离子百分数。

麻省理工公开课 - 固态化学导论课程节选

And secondly, it turns out their definition of unwelcome sexual advance was broad enough to include someone being asked out on the date by someone they don't want to go out with.

第二个问题是,受调查人员对性挑逗的定义,十分宽泛,有些人被邀请外出约会,往往是被一些他们不想一起出去的人邀请。

麻省理工公开课 - 媒体、教育、市场课程节选

Often what you'll see is not a table based on this definition, but something that's called the Pauling definition of electronegativity, but it's exactly the same idea and the same trend as this more numerical way to think about what the meaning of electronegativity is.

通常你看到的表格一般都不是基于这种定义的，而是基于,鲍林定义的电负性，但在意义上是相同的，并且满足同样的周期性规律,当和这种这种更数值化地理解电负性的定义,作对比时。

麻省理工公开课 - 化学原理课程节选

Actually we could prove inductively that it holds, but how do we know it stops?

这是一种归纳型的定义,事实上我们能够归纳性地证明它？

麻省理工公开课 - 计算机科学及编程导论课程节选