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WordNet-Online 
 Definitions from WordNet | ||||
| Definitions from the WebSurveillance SystemDefinition: A surveillance system refers to a network of interconnected devices and software designed to monitor, record, and analyze activities in a specific area or environment. Example: In today's modern cities, surveillance systems have become an essential tool for law enforcement agencies in maintaining public safety and preventing crime. Related Products: Surveillance Systems on Amazon | ||||
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