The problem of using sound array sensors to track low altitude flying target is studied.
研究了用地面声阵列传感器进行低空飞行目标跟踪问题。
The problem of liquid altitude measurement in heat transmission tube is discussed.
讨论热管工质液位检测问题。
The problem of liquid altitude measurement in heat transmission tube is discussed.
讨论热管工质液位检测问题。
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