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。

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If no key is present in the cue array, no sound is played.

如果提示(cue)数组中不存在任何键，就不会播放任何声音。

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If no key is present in the cue array, no sound is played.

如果提示(cue)数组中不存在任何键，就不会播放任何声音。

youdao