Terms for subject Space containing nonreturn to zero code

English	Chinese
nonreturn-to-zero code	非归零码
nonreturn-to-zero level code	非归零电平码
nonreturn-to-zero level code	不归零电平码
nonreturn-to-zero mark code	非归零传号码
nonreturn-to-zero space code	非归零空号码
nonreturn-to-zero-space code	不归零空号码
randomized nonreturn-to-zero level code	随机化的非归零电平码 (一种高密度数字记录码)