包括 closed-circuit television 的结果。
是否要仅显示 closed circuit television 的结果?
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Closed circuit TV captures armed man sprinting through security during White House Correspondents' Dinner
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Tree surgeon thought he would die after powerline shock caught on CCTV
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Raw Video: CCTV of suicide attack at Russian train station
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Closed-circuit television CCTV, also known as video surveillance, is the use of closed-circuit television cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point-to-point, point-to-multipoint P2MP, or mesh wired or wireless links. Even though almost all video cameras fit this definition, the term is most often applied to those used for surveillance in areas that r
3 个月之前
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