“photographic sound reproducer”的概念、定义、翻译、参考文献-科学参考

单词	photographic sound reproducer
释义	photographic sound reproducer [¦fōd·ǝ¦graf·ik `sau̇nd ´rē·prǝ´düs·ǝr] ^ELECTRONICS A sound reproducer in which an optical sound record on film is moved through a light beam directed at a light-sensitive device, to convert the recorded optical variations back into audio signals. Also known as optical sound reproducer.
随便看	freeze drying freeze etching freeze-out lake freeze point freezer freeze sinking freeze-up freezing drizzle freezing level freezing-level chart freezing method freezing microtome freezing mixture freezing nucleus freezing point freezing-point depression freezing precipitation freezing rain Fregatidae F region freibergite freieslebenite freight car freighter freight ton

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。