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1. The TV tracking system is used to monitor the movements of people in public spaces.
电视跟踪系统用于监控公共场所人员的运动。
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2. The police are using a new tracking device to find the suspect.
警方正在使用一种新追踪设备来找到嫌疑人。
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3. The scientists are tracking the progress of the experiment with real-time data.
科学家们正在实时数据中跟踪实验的进展。