“光电式检索工具”的概念、定义、翻译、参考文献-科学参考

单词	光电式检索工具
释义	光电式检索工具 Encyclopedia 管理学光电式检索工具释 photoelectric retrieval tool光电式检索工具以文献缩微品作为文献库，利用光学、电学手段或设备从中查找信息的一种机械检索工具。又称缩微式检索工具。
随便看	block matrix block modeling block monoid block movement block multinlexor channel block multiplexer channel block multiplexor channel block multiplication block of a matrix block of numbers block-organized holographic memory block pavement block preparation block primitive block-printed books of publishing houses block printed document Block-printed edition block-printed edition block-printed edition by Princess of Chu, Ming dynasty (1368～1644) block-printed edition by Princess of Jin, Ming dynasty (1368～1644) block-printed edition by Princess of Ning, Ming dynasty (1368～1644) block-printed edition by Princess of Qin, Ming dynasty (1368～1644) block-printed edition by Princess of Shu, Ming dynasty (1368～1644) block-printed edition by Princess of Zhao, Ming dynasty (1368～1644) block-printed edition by Princess of Zhou, Ming dynasty (1368～1644)

科学参考收录了854744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。