There is a plurality of solutions that conform to the boundary conditions, which is that the system must be bound.

这有许多解决方式,来遵守这个有界条件，那个系统必须是有界的。

麻省理工公开课 - 固态化学导论课程节选

You handle them very special in terms of being extra careful in a very high ventilation area, in hoods is how you handle them.

在使用它们的时候你需要格外小心,必须在通风条件非常好的地方，在通风柜中才行。

麻省理工公开课 - 化学原理课程节选

No condition imposed from the beginning that there must be quantized states.

一开始就没有加限制条件,就必须是基态的。

麻省理工公开课 - 固态化学导论课程节选

But the crucial point for this view is that the proper metaphysical understanding of the mind is to think of it in nonphysical terms, nonmaterial terms.

但是这个观点的关键之处在于,从哲学角度对心灵的恰当理解,必须是在非物理的条件下去思考的,非物质的条件

耶鲁公开课 - 死亡课程节选

What the Fed said it would do is announce an auction of so many billion dollars of loans to member banks and the banks have to supply collateral to the Federal Reserve.

美联储声明的它会做的事是,举行一场对,会员银行发放几十亿美元贷款的拍卖会,条件是这些银行必须,给联邦储备银行提供抵押品。

耶鲁公开课 - 金融市场课程节选