... maximum pattern area 最大花型范围 reference pattern area 参考井网面积 unlimited pattern area 无限制花型范围 ...
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If radon measurement is available for the surface conditions in mining area, the establishment of the abnormal pattern can provide a reference for the radon measurements of similar mines.
若矿区地表条件适合氡气测量,该异常模式的建立能为更多需要开展氡气测量的矿区提供借鉴。
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