CT scan showed 15 cases (78.9%) had a calcified area inside in nasal sinus, 5 cases had bone destructive.

有15例（78.9%）窦腔软组织团块影中可见斑点状钙化灶，5例窦腔有不同程度的骨质吸收和破坏。

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Ground penetrating radar as a highly efficient, advanced non-destructive testing equipment, is able to implement continued scan of the underground place and have real-time access to radar images.

探地雷达作为一种高效、先进的无损检测设备，能够对地表以下实施续扫描，实时获得雷达图谱。

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