Line target  线目标

paired-line target  对线分测板; 双线标板

target line standard method  靶线标准法

target line-of sight rotating rate  目标视线转率

water line target  水位标志

Boundary line of target  界限指标

line-style target  线形指标

on-line isotope separator target  在线同位素分离器靶材料

target poly-line moving  目标折线运动

Double line-line voltage control  双电压控制

line-line extreme distance  线-线极限距离

line-line topological relation in traffic network  交通网络线-线拓扑关系

on-line line loss  在线线损

multi-target target tracking  多目标跟踪

loss-free line (=lossless line =lossless transmission line)  无耗损线

SDSL Single-Line Digital Subscriber Line，Single-Line DSL  单绞线数字用户系统; 对称数字用户回路

10-line to 4-line BCD encoder  十进制至8421码编码器

A line used as both sterile and maintaining line  一系两用

agonic line {agonic line of no declination}  无磁差线; 无偏线

cytoplasmic male sterile line CMS-line  质核互作型雄性不育系