active tracking system

机械专业英语词汇-机械资讯... ... active time 有效时间 active tracking system 有源跟踪系统 active trade balance 出超 ...

航空专业英汉词典:第10页 -... ... active surface n.有效表面 active tracking system 主动追踪系统,主动跟踪系统 ...

36测量学_馆档网 ... "主动探测器"," active sensor" "主动追踪系统"," active tracking system" "实际误差"," actual error" ...