【上位】 a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going" 統一された全体を構成する、個々に独立しているが互いに関係を持っている要素のグループ。
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the place where something begins, where it springs into being; "the Italian beginning of the Renaissance"; "Jupiter was the origin of the radiation"; "Pittsburgh is the source of the Ohio River"; "communism's Russian root" 何かが生まれて、始まる場所。
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【上位】 the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street" 何かの正確な位置。空間的に限られた位置。
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【下位】 the source or origin from which something derives (i.e. comes or issues); "he prefers shoes of Italian derivation"; "music of Turkish derivation" 何かが派生した（そこから来た、あるいは生じた）根元的なもの。
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【下位】 the source of water from which a stream arises; "they tracked him back toward the head of the stream" 流れが始まる水の源。
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【下位】 place where something began and flourished; "the United States is the home of basketball" 何かが始まり育った場所。
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【下位】 a point at which water issues forth 水がわき出る場所。
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【下位】 the source of a river; "the headwaters of the Nile" 川の源。
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【下位】 a place from which an enterprise or expedition is launched; "one day when I was at a suitable jumping-off place I decided to see if I could find him"; "my point of departure was San Francisco" 計画や遠征が始まる地点。
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【下位】 a concentrated source (especially of radiation or pollution) that is spatially constricted 空間的に集められて集約された源（特に放射能または汚染物質の）。
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