(As an advanced high-tech technology prevention method, video surveillance has been widely used in communities, schools, offices, scientific research, industry, museums, hotels, commerce, medical monitoring, banks, prisons and other places, especially because the system itself is concealed. , timeliness and other attributes are more and more widely used in many fields. Specific to the residential area, its security use has also evolved from simple technology and single system use to today's multi-technology and multi-system use.)
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