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microfilms是什么意思

microfilms

美['maɪkrəʊfɪlmz]  英['maɪkrəʊfɪlmz]
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英英释义

名词microfilm
  1. film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material
动词microfilm
  1. record on microfilm
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