When a customer arrives at a supermarket checkout, an overhead camera identifies the items on the conveyor belt and anything left behind in the shopping trolley.
当顾客在超市收银台结账时，头顶的摄像机能识别放在传送带上的商品和任何遗忘在购物车里的商品。
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FXS square track overheadconveyor is the most kinds of specifications, the most broadly used, and the most mature type in the trolley conveyor.