"The reductions in this treaty will not affect the strength of our nuclear triad, nor does this treaty limit plans to protect the U.S.and our allies by improving and deploying missile defense systems."

VOA: standard.2010.03.26

And he found that the middle member of the triad had an atomic mass that was midway between the atomic masses of the end members.

他发现三元组中间的元素,的原子质量,是位于两端的元素的原子质量,的中间。

麻省理工公开课 - 固态化学导论课程节选

And we talked about a triad being a configuration of three pitches where you take the first, the third and the fifth.

三和弦是由三个音高配置成的，你们可选取第一，第三和第五个音。

耶鲁公开课 - 聆听音乐课程节选

The first of the triad--this is a term that we'll be going over today--is called the what?

该和弦的第一个音，这个术语我们今天将会讲解，叫做什么？

耶鲁公开课 - 聆听音乐课程节选

The root of the triad is the bottom-most pitch of that triad.

三和弦的根音是在一个三和弦最底部的音。

耶鲁公开课 - 聆听音乐课程节选

They tend to be just triads whereas in classical music we can have a triad but we can also add a seventh note with one,three,five,seven,nine,eleven, that kind of thing.

流行乐一般只用三和弦，但是古典乐可以用三和弦,也可以在上面加上七音，一，三，五，七，九，十一，诸如此类的。

耶鲁公开课 - 聆听音乐课程节选

We've talked about the root of the triad.

我们讨论了三和弦的根音。

耶鲁公开课 - 聆听音乐课程节选

We're not going to get into that 'cause that takes us into heavy-duty music theory, but it's--if we don't have root position then we've got some other note of the triad in the bass, and we've got some kind of chord inversion, so that's what that particular term means up there.

我们就不深究这个问题了，这是一个冗长的音乐理论，但是如果没有了原位，三和弦的低音被另一个音所替代，这就是一种和弦转位，这就是这个词在这里的意思。

耶鲁公开课 - 聆听音乐课程节选