为什么全体整 数， 有理 数可以构成集合，集合不是有确定性的吗？

Why collectivity is integral, rational number can form gather, is gather those who there is determinism?

youdao

但是记住，公共可见成员的集合构成了类型暴露出的抽象接口，包括类型的名字。

Keep in mind that the set of publicly visible members form the abstraction exposed by the type, along with the type's name itself.

youdao

系统是由其他事物构成的有组织的集合。

A system is an organized collection of other things.

youdao

They play with these partials on each of these notes, but this is just one sound with all of these other things mixed in to the medley that produces the quality or timbre of a particular instrument.

它们改变音符中的分音的强度,不过这只是一个声音,要算上其它所有分音的集合,才能构成一个特定乐器的音色

耶鲁公开课 - 聆听音乐课程节选