有关命令行环境的一些操作: (1) clc 擦去一页命令窗口,光标回屏幕左上角 (2) clear 从工作空间清除所有变量 (3) clf 　　 　　 清除图形窗口内容-the command-line environment for the operation of : (a) liquidchromatographic order to remove a window screen cursor to the upper left corner (2) clear from the work space to eliminate all variables (3) removal of CLF graphical content window