So, first, if I point out when l equals 0, when we have an s orbital, what you see is that angular part of the wave function is equal to a constant.

首先，如果ｌ等于０,那就是ｓ轨道，你们可以看到,它波函数的角度部分是一个常数。

麻省理工公开课 - 化学原理课程节选

SdT This has minus T dS minus S dT, but the dT part is zero because we're at constant temperature.

这一项包含负的Tds和，但是dT的部分等于零,因为温度为常数。

麻省理工公开课 - 热力学与动力学课程节选

This ambivalence that was part of his personal life, the way he lived, would be a constant theme in subsequent Russian and still, in many ways, is today.

这种矛盾成了他个人生活的一部分,他的这种矛盾的生活方式在接下来的俄国,即便是在今天的俄国也是个不变的主题

耶鲁公开课 - 欧洲文明课程节选

Constant temperature means isothermal, so this part means an isothermal process.

等温“指温度不变，这部分就是指一个等温过程。

麻省理工公开课 - 热力学与动力学课程节选

Normally I couldn't do that Vdp because this term would have p dV plus V dp, but we've specified the pressure is constant, so the dp part is zero.

一般情况下我不能这么写,因为这一项会包含pdV和，但是我们已经假定压强为常数，所以包含dp的部分等于零。

麻省理工公开课 - 热力学与动力学课程节选