Yup, so one total node, 2 minus 1 is 1, and that means since l is equal to 1, we have one angular nodes, and that leaves us with how many radial nodes?

一个节点，2减去1等于1,因为l等于1,我们有一个角向节点，那剩下径向节点有多少个呢？

youdao

The nutritive indexes of the leaf were approximately equal to that of the stem. Therefore the leaves are the same edible vegetables as the stems.

通过比较，发现芦蒿叶和茎的营养指标相近，芦蒿叶与芦蒿茎具有同样的食用价值。

youdao

Yup, so one total node, 2 minus 1 is 1, and that means since l is equal to 1, we have one angular nodes, and that leaves us with how many radial nodes?

一个节点，２减去１等于１,因为ｌ等于１,我们有一个角向节点，那剩下径向节点有多少个呢？

麻省理工公开课 - 化学原理课程节选