“photoelectric retrieval tool”的概念、定义、翻译、参考文献-科学参考

单词	photoelectric retrieval tool
释义	photoelectric retrieval tool 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	natural slopes for terrace natural smoke exhaust natural soil natural source adhesive natural source geoelectric field natural span of life natural spline natural standard natural strategy natural stratification natural structure natural succession natural sum natural surjection natural surveillance natural system Natural System of Wrangel Island Reserve Natural System of Wrangel Island Reserve of Russian World Natural Heritage natural termination natural territorial differentiation of China natural tetrad natural textile fibers natural theology natural tolerance natural topology

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