LRTlowerrespiratorytrac..dclrtdecelerate 减速，慢化，制动LRTLLight Railway Transport League 轻轨运输联盟LRTSLaser Ranging and Tracking System 激光测距与跟踪系统lrtclong-run total cost 长期运行总成本LRTgtlast resort target 最终诉诸对象lrtnflong-range theater nuclear forces 远程核威慑武力olrton-line real time 在线实时OLRT[医][=on-line real time]联机实时（操作）LRTNFlong-range theater nuclear forces 远程核威慑武力LRtlateral reticular nucleus 外侧网状核lrt激光环形车削