#监控 #surveillance 單位越來越喪心病狂，每一個拐角的路口都立一個杆安裝監控攝像頭，一個球形360度，再搭上兩個固定位置的。形狀如下圖，具體型號不知。目測價格不菲。
@airy @redhat 海康声誉可以说没有，就等于是共产党的企业一样，还有一个萤石，国产品牌没个放心的
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