マイクロフィルム
1. microfilm
2. MicroformMicroforms are any forms, either films or paper, containing microreproductions of documents for transmission, storage, reading, and printing. Microform images are commonly reduced to about one twenty-fifth of the original document size. For special purposes, greater optical reductions may be used. All microform images may be provided as positives or negatives, more often the latter. Three formats are common: microfilm (reels), aperture cards and microfiche (flat sheets).
Read “Microform” on English Wikipedia
Read “マイクロフィルム” on Japanese Wikipedia
Read “Microform” on DBpedia
Read “Microform” on English Wikipedia
Read “マイクロフィルム” on Japanese Wikipedia
Read “Microform” on DBpedia
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