differential operation示差: differential操作: operate; manipulate; handle期差操作: ga ing; gapping无误差操作: error free operation; error-free operation误差操作数: tolerance operands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:示差操作，即可在微信中查询翻译
