tracking correction indicator跟踪: follow the tracks of; tail a ...修正: revise; amend; correct; upda ...指示器: indicator; pointer; director ...跟踪修正信号: tracking correction signal跟踪指示器: tracking indicator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:跟踪修正指示器，即可在微信中查询翻译
