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。
Wave measurement by X-band Marine navigation radar is very important to ocean monitoring.
波段导航雷达测波技术的研究，对于海洋监测具有重要意义。
Wave measurement by X-band Marine navigation radar is very important to ocean monitoring.
波段导航雷达测波技术的研究，对于海洋监测具有重要意义。
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