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

and you know, we're all trying to make the... trying to interact with the audience in a positive way,

而且你知道，我们都试着以一种积极的方式与观众互动，

我是摇滚音乐家 - SpeakingMax英语口语达人

So that's just a little bit of a check for yourself, and it should make sense because what you're doing is you're calculating the difference between energy levels, so you just need to flip around which you put first to end up with a positive number here, and that's a little bit of a check that you can do what yourself.

所以你们总要确保括号，离得这项是正的，这是你们自己,可以做的检查，这事很有道理的，因为你们做的是计算能量差,所以你需要调整顺序来保证一个正数，这是你们自己可以做的检查。

麻省理工公开课 - 化学原理课程节选

So, when we get really close together, granted, there is a net positive negative charge with a Coulombic force of attraction.

当它们真正离得很近时，假设有一个带正负电的电荷,带有库仑引力。

麻省理工公开课 - 固态化学导论课程节选

I think it's also the struggle of a generation trying to enrich the public square with positive conversation about religion.

我认为这也是我们这一代人的努力,我们试图通过积极地谈论宗教,来丰富社会生活。

普林斯顿公开课 - 人性课程节选

And this has, just like a lot of positive psychological approaches, has been ignored with a ratio 21 to 1.

正像很多积极心理方法一样，被21比1的比率忽视。

哈佛公开课 - 幸福课课程节选

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

And shielding is a little bit of a misnomer because it's not actually that's the electron's blocking the charge from another electron, it's more like you're canceling out a positive attractive force with a negative repulsive force.

屏蔽有一点点用词不当,因为它事实上不是,电子阻挡了来自另一个电子的电荷,它更像你在用一个负排斥力，抵消一个正吸引力,但是屏蔽是考虑这个问题,的很好的方式。

麻省理工公开课 - 化学原理课程节选

You've got a positive charge here with a negative charge around it.

正电荷在这儿,负电荷在周围。

麻省理工公开课 - 固态化学导论课程节选

So, shielding happens when you have more than one electron in an atom, and the reason that it's happening is because you're actually canceling out some of that positive charge from the nucleus or that attractive force with a repulsive force between two electrons.

所以当你们在原子中有多于一个电子,屏蔽就会发生，它之所以会发生的原因是,你们实际上抵消了,一些来自原子核的正电荷,或者来自吸引力,在两个电子之间。

麻省理工公开课 - 化学原理课程节选

We were built not just on religious freedom but on the idea of a positive engagement with religious diversity.

我们国家不仅建立在,宗教自由，还建立在,积极地融合宗教差异的基础之上。

普林斯顿公开课 - 人性课程节选

What a delight to be able to spend a few minutes with you and such a very special class, where you are combining the science of positive psychology with its practice.

和你们共度几分钟，真是乐事,在这样特别的课堂上，在这里你们将积极心理学的科学,和应用合二为一。

哈佛公开课 - 幸福课课程节选

And another thing she's been able to do along with a lot of other MAPP alumni is being involved in trainings and being involved in projects that have come through the positive psychology center.

另外，她还和,其他多名硕士同学合力,参与到培训中来，参与我们,积极心理学中心的项目。

哈佛公开课 - 幸福课课程节选

A positive emotion can come in form of watching a humorous film; " it can come in form of "if you take a deep breath"-- we talked about deep breathing when we talked about my body; a positive emotion can come in form of interaction with a friend, a pleasant one.

积极情绪可以是看一部滑稽电影;,可以是“一次深呼吸-,探讨“心理，身体“时会谈到深呼吸;,积极情绪可以是与朋友交流，一次愉快的交流。

哈佛公开课 - 幸福课课程节选

Some of this can be done if consumers make different choices in what they eat, but some can be silent changes too, so Frito-Lay taking the Trans fats out of their products and switching them with a healthier fat is a silent change that could have a positive impact on public health.

有些只要消费者选择其它的食物即可做到,但也有些变化是悄无声息的,菲多利将其产品中的反式脂肪,替换成更健康的脂肪就并未声张,这对大众健康有着积极的影响

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选