All right, and initially, well, maybe initially, momentum just to be simple I'm going to start false momentum equal to false.

好了，首先，为了简单起见，我会让,先等于。

麻省理工公开课 - 计算机科学及编程导论课程节选

We start at p1, V1. and p external is equal to zero.

从状态开始，外部压强为零。

麻省理工公开课 - 热力学与动力学课程节选

It turns out not, but it does evince the fact that we have some basic syntax like mathematics and equal signs and whatnot with which we can now start using for more useful purposes.

结果不是那样的，但这的确有个事实,我们有些基本的运算法则和等号和,其他一些东西，用来为我们一些,更多有用的目的而服务的。

哈佛公开课 - 计算机科学课程节选

And then if we think about 3 s, 0 we want to start with 3, we subtract 1, again l is equal to 0, so minus and we have two radial nodes.

我们从3开始，减去，同样的l等于，所以减去0，我们有两个节点，这应该。

麻省理工公开课 - 化学原理课程节选