These are actually all examples that we'll talk about in freshman chemistry at some point, as an example of a connection between a chemical principle we learn, and what we can know about how it functions.

作为联系一个我们,所学的化学原理,和我们能知道它，如何工作的例子。

麻省理工公开课 - 化学原理课程节选

Only certain genes are being expressed and it's the family of genes that are being expressed in a cell, likewise the family that are not being expressed, that determines what a cell is like, how it functions.

只有某些特定的基因在细胞中表达,那些在细胞中表达的基因,与那些没有表达的基因,共同决定了细胞的形态和功能

耶鲁公开课 - 生物医学工程探索课程节选

And the problem is, that we want to build this abstract data type, but we'd like to basically know what kind of object is it, and what functions actually belong to it, how do we use them?

然后我对它们运行了这个方法，就是这一小段代码这个方法,这有意义么？,当然没有了，对不对？,因为你知道，当你把两个极坐标，表示的点进行相加运算的时候？

麻省理工公开课 - 计算机科学及编程导论课程节选