R And we abbreviate that by calling it r, l by two quantum numbers, and an l as a function of little r, radius.
我们把它简称为，两个指定的量子数n和，它是半径小r的函数。
2
Objective: To establish the preparation method of levodopa analog (abbreviate: LDA) reference substance by AKTA Explorer 100 Preparative Chromatography System;