并行减法parallel: adj. 1.平行的;并行的 (to; with); 【 ...subtraction: n. 减去,扣除 (from); 【数学】减法。 parallel pulse train subtraction: 并行脉冲序列减法addition and subtraction: 加减法addition by subtraction: 采用减法运算的加法下载手机词典可随时随地查词查翻译