Jisho

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号探検航海
Wikipedia definition
1. Challenger expeditionThe Challenger expedition of 1872–76 was a scientific exercise that made many discoveries to lay the foundation of oceanography. The expedition was named after the mother vessel, HMS Challenger.
Read “Challenger expedition” on English Wikipedia
Read “チャレンジャー号探検航海” on Japanese Wikipedia
Read “Challenger expedition” on DBpedia

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