倍频: frequency doubling; frequenc ...记录: take notes; record技术: technology; skill; technique ...倍频记录: dfr double frequency recording; double-frequency recording磁记录技术: magnetic recording technology; magnetographic technology记录技术: recording technique光电记录技术: photoelectric recording technique数据记录技术: data recording techniques; dataolgging techniques合格的记录技术员: accredited record technicians记录技巧: note-taking skills烧录技术: jusk-link jusk-link实录技术: vibrator波频记录仪: cymograph单频记录: single frequency recording调频记录: fm recording; frequency modulation recording声频记录仪: sound range recorder视频记录: dvr; video recording rator视频记录器: pvr双频记录: double frequency recording，dfr音频记录: pcm光碟烧录技术: optical disc authoring超声频记录器: ultrasonography人视频记录器: pvr数字视频记录: digital video recording; dvr双频记录方式: two frequency recording mode
