极化归零制记录 polarized return to zero recording

不归零制记录 non-return to reference recording ; zero reference recording

不归零制记录器 zero recorder ; non return to zero recorder

不归零制记录方式 nonreturntozerorecording ; return to zero recording

非极性归零制记录 [计] nonpolarized return-to-zero record

非极性归零记录制 nonpolarized return to zero recording

不归零制变化记录技术 non return to zero recording