变量 [数学] variable; variable quantity; alternating quantity◇变量范围 range of variables; variable range; 变量函数 variable function; 变量系数 variation coefficient
字符 [计算机] character◇字符处理 character handing; character manipulation; character processing; 字符打印机 character printer; 字符计算机 character computer; 字符键盘 figure keyboard; 字符移入 character shift-in; 字符译码器 character decoder; 字符印字机 alphanumeric printer