语句: sentence statement预定: fix in advance; predetermine ...字: character; word外壳: hull; incrustation; outer sk ...语句预定字: case case预定字: reserved word非预定字: nonreserved word预定: 1.(预先规定或约定) fix in advance; predetermine; schedule 在预定的时间和地点 at the fixed time and place; 在预定地点着陆 make a landing in a predetermined area; 会议将按预定的计划进行。 the meeting will take place [proceed] as planned. 这门课程预定在一年内修完。 the course of study is to be completed within a year.2.[计算机] reserve外壳: hull; incrustation; outer skin; outermost shell; case; shell; jacket; package; housing; skin; sleeve; body; outer covering; outer casing; crust; sheathing; exochite 电池外壳 battery case; 热水瓶外壳 the outer casing of a thermos flask; 这类甲虫有坚硬的外壳。 this kind of beetles have hard shell否定字: privative固定字: fixed wordif语句: else if statementwith语句: with statement语句: 1.(成句的话) sentence2.[自动化] statement定字长指令: fixed length instruction否定字符: nak character; negative acknowledge character; negative acknowledgement固定字长: fwl fixed word length固定字段: fixed field固定字幅: fixed-pitch固定字杆: fixed type bar固定字宽: fixed pitch固定字条: fixed type bar肯定字符: acknowledge character; acknowledgement character特定字符: specific characters印定字对: tjenting needle