of first rank or importance or value; direct and immediate rather than secondary; "primary goals"; "a primary effect"; "primary sources"; "a primary interest" 一流の、最重要の、または一番価値のあるもの。派生的というよりむしろ、直接で直近の。
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most important element; "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"; "the master bedroom"; "a master switch" 日/英 »
coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit; "current through the primary coil induces current in the secondary coil" 電気回路の一部を形成するコイルで、回路内の電流変化が隣接している回路の電流を誘導する。
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