⑥切片:用以选取一维数组若千个相继 LINE: STRING(I.80) LINE(1.11)=(D,e,2a,r32”,2f,ri,e,n,d),⑥切片:用以选取一维数组若干个相继 分量 LINE:STRING(1..80); LINE(1..11):=(‘D’,’e’,’a’,’r’,’’,’f’,’r’,’i’,’e’,’n’,’d’);