lto低温氧化物LTabbr.海军少校；陆军中尉（=Lieutenant）abbr.长吨（=long ton）LTAT Line Test Access Trunk线路测试接入母线Lterative learning observer迭代学习观测器LTCM Lower order path Tandem低阶通道串联连接监视LTCT Lower order path Tandem低阶通道串联连接终接LTCA lower order path Tandem低阶通道串联连接适配Lt Dbl Sculls Medal Ceremony轻量级双人双桨颁奖仪式lthocarpus polystachyus Rehd多穗柯lterative multiuser detection迭代多用户检测lterba Artemisirae scoparirae绵茵陈lterative sequence with error带有误差的迭代序列