carry save addercarry-save adder保留: continue to have; persist; r ...进位: carry; carry-over; carry bit加法: addition; additive器: implement; utensil; ware超前进位加法器: carry look ahead adder; carry lookahead adder下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:保留进位加法器，即可在微信中查询翻译
