Terms for subject Technology containing line code

English	Chinese
code for design of railway line	铁路线路设计规范
code line	编码行
code line	记码区
code of regime observation line	动态观测线编号
line code	一行代码
line code pattern	线路码型
line signal code	线路信号编码
main-line code	正线电码化
straight-line code	无循环程序