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surveillance |
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surveillanceSee CCTV and network camera. surveillance close observation or supervision maintained over a person, group, etc., esp one in custody or under suspicion surveillance [sər′vā·ləns] (engineering) Systematic observation of air, surface, or subsurface areas or volumes by visual, electronic, photographic, or other means, for intelligence or other purposes. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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