reference recording medium 基准记录介质

return to reference recording 返回基准记录法

return-to-reference recording 归参考记录

reference recording head 基准录音磁头

reference recording level 基准记录磁平

nonreturntozero reference recording 不归零制记录

non return reference recording 不归零记录法

non-return to reference recording 不归零制记录

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