dS/dV And that, now, we know must equal dS/dV, with a positive sign. At constant temperature.

我们知道这个等于恒定温度下的，符号为正。

麻省理工公开课 - 热力学与动力学课程节选

He didn't sign into a hotel as Peter the Great or whatever, but he would go in with a name that wasn't his.

他在酒店登记时不会签彼得大帝之类的名字,而是用一个假名来代替

耶鲁公开课 - 欧洲文明课程节选

So this is not a very positive sign and people are having a bad relationship with food.

这不是个正面的信号,人们和食物之间的关系变糟

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's not a full-blown language like american sign-language or langue des signes quebecoise but it's a language nonetheless, with words and syntax and phonology.

这种语言并不像美国手语,或加拿大魁北克手语那样成熟,尽管如此,这种语言依然拥有词,语法和语音

耶鲁公开课 - 心理学导论课程节选

It might be worth pausing over the variety of ways in which we can think of signs in language, all of which have to do with the way in which a given sign might be chosen to go into a speech sentence.

这也许值得尝试,为了理解语言和符号的关系，这一切都和符号怎样,被选择为一段话语的构成部分有关系。

耶鲁公开课 - 文学理论导论课程节选

If you compare the s orbital with the bottom lobe, these have a different sign so they're going to destructively interfere.

如果你们比较s轨道和下面这叶，它们正负号相反,所以它们相消干涉。

麻省理工公开课 - 化学原理课程节选

And so if you sign a contract with the government for millions of dollars, you have guarantee to get your dollars back, plus whatever profits they allowed in the contract.

所有如果你和政府签订了合约,做了一个百万的大单子，你能保证拿到钱，和其他的利润,在合同里规定的利润。

斯坦福公开课 - 经济学课程节选

You can sign up with the Salem Fire Corporation, pay a yearly subscription fee, and if your house catches on fire, they will come and put out the fire.

你可以和塞伦消防公司签约，每年支付会员费，如果你的房子着火，他们会来灭火。

耶鲁公开课 - 公正课程节选

I differentiate a second time and check the sign, so the second order condition, I differentiate this expression again with respect to q1.

我们对它进行二次求导然后看符号,这个式子的二阶导数,就是一阶导数再对q1进行求导

耶鲁公开课 - 博弈论课程节选

These are some of the implications of no longer being satisfied with the way in which a sign can be understood as a concept to which we attach belatedly a signification, a signifier.

有一些意指已不满足于,符号被理解为概念的方式了,我们就再赋予它们一个含义，一个能指。

耶鲁公开课 - 文学理论导论课程节选