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