大气波导是海上经常出现的现象，会导致电波异常传播。

Atmospheric duct is a common phenomenon over the oceans and conditions of anomalous radio propagation.

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大气波导传播是一种与特殊的气象条件相关的反常传播现象。

Atmospheric duct propagation is an anomalous propagation phenomena associated with specific weather conditions.

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大气波导会使雷达电磁波传播产生异常现象，研究其对雷达探测范围的影响具有重要意义。

Electromagnetic wave of radar propagates abnormally in the duct. It is very important to study the influence of the duct on radar detecting zone.

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大气波导会使雷达电磁波传播产生异常现象，研究其对雷达探测范围的影响具有重要意义。

Electromagnetic wave of radar propagates abnormally in the duct. It is very important to study the influence of the duct on radar detecting zone.

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