We use the concept of conservation of states and the Aufbau Principle.

我们利用该状态的概念,和构造原理。

麻省理工公开课 - 固态化学导论课程节选

And we are going to use the Pauli Exclusion Principle and we are going to use the fact that we fill from lower energy to higher energy.

我们将会用到泡利不相容定律,而且我们准备利用这个事实,那就是我们从低能级到高能级填充。

麻省理工公开课 - 固态化学导论课程节选

And then we'll see that he's going to use his principle to convince us or try to convince us that the soul is imortal, is indestructible.

然后我们会看到他打算,利用这一原理说服我们,或者试图说服我们,灵魂是不朽的，是不可毁灭的。

耶鲁公开课 - 死亡课程节选

South Africa has recently approved in principle the use of culling to control populations.

BBC: Ivory auction opens amid concerns

We put this principle to use especially strongly during the recession of 2010 and the ensuing recovery.

FORBES: Is It Possible To Gather Too Much Customer Data? No!

The e-learning programme is founded on the basic and practical principle that the use of the internet as a learning tool not only creates anonymity and thus dismantles the psychological barriers that prevent illiterate adults from resuming their studies but also enables them to balance their work, family and learning commitments by learning at home at whatever time is suitable to them.

UNESCO: Ich will lernen (I want to learn)