A.字段、索引、表 B.表、字段、索引 C.字段、表、索引 D.字段、索引、類型
A.-9999.99 B.-999.99 C.-99.99 D.0
A.LOCATE FOR 班級(jí)="1" B.LOCATE FOR 班級(jí)="1" CONTINUE C.LOCATE FOR 班級(jí)="1" NEXT 1 D.LIST FOR 班級(jí)="1"