It can be contained in one. Py file or many. Py files.

它可以由一个或多个. py文件组成。

youdao

py And finally, we can look at the 2 p y, so the highest probability is going to be along the y-axis.

最后我们来看一下，概率密度最高的是沿着ｙ轴。

麻省理工公开课 - 化学原理课程节选

py So you can either write 2 p x or 2 p y, whichever one you want is fine.

这是对的，你们可以把它写成2px或者，哪种都可以。

麻省理工公开课 - 化学原理课程节选

So if you picture this as our s p 2 carbon atom where we have three hybrid orbitals, and then one p y orbital coming right out at us.

如果你把这想象成sp2碳原子,这里有3个杂化轨道，然后一个py轨道朝向我们。

麻省理工公开课 - 化学原理课程节选

Three from France are Pechiney (25, PY, www.pechiney.com), Alstom (23, ALS, www.alstom.com) and Groupe Danone (35, DA, www.danonegroup.com).

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Go into the new forbes-fec directory and run setup.py.

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