basic AS基础自动化系统basicadj.基本的；基础的；初级的；含硅少的n.基础；根本；[计]BASIC语言basic earthwork基础土方basic deduction基本扣除额basic farmlands基本农田basic insulator基座绝缘器basic attribute基本属性basic edueation基础教育basic operation基本操作basic mode size基模尺寸basic alignment基本型线形basic sulfatase碱性硫酸盐