1.
materials, documents, data
Written or collected information used for reference, research, or presentation purposes.
2.
source materials
Original documents or records used as a basis for research or study.
Related Words
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書類 (documents, paperwork)
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文献 (literature, written sources)
Homophone:
飼料 (animal feed)
Homophone:
史料 (historical materials)
Homophone:
試料 (sample)
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ドキュメント (document)