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| 無損失圧縮 (The process of compressing a file such that, after being compressed and decompressed, it matches its original format bit for bit. Text, code, and numeric data files must be compressed using a lossless method; such methods can typically reduce a file to 40 percent of its original size) | |||
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| ロスレス圧縮 | |||
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| 可逆圧縮 | |||
