The speed radar detector is a necessity of monitoring vehicle speed for traffic control.
测速雷达是交通管理中监测车辆行驶速度的必备工具。
The working principle of the speed radar detector is visually demonstrated by integrating the speed device with the potential objects to be tested.
这里将测速仪与被测对象集成在一个台面上，直观演示了测速雷达的工作原理。
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