cad,excel
熟练应用,比如lisp一下:
(defun c:dt()
(command "units" 2 2 2 2 0 "n" "")
(command "limits" "0,0" "200.0,250.0")
(command "zoom" "a" "")
(command "zoom" 0.9 "")
(command "regenauto" "off")
.................
比如=IF(G27<=0.5,"非盐渍土",IF(G28>2,"氯盐渍土",IF(AND(G28>1,G28<=2),"亚氯盐渍土",IF(AND(G28>=0.3,G28<=1),"亚硫酸盐渍土",IF(G28<0.3,"硫酸盐渍土")))))