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单词 θ197460
释义
society > communication > broadcasting > [adjective] > systems or methods > closed-circuit (2)
closed circuit1941

a complete, unbroken circuit; frequently attributive; spec. (a) a complete electrical circuit formed entirely of conductive material; (b) a…

off-air1961

Operating on a closed circuit; not involving the broadcasting of programmes. rare.

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更新时间:2025/2/3 16:38:16