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放射性勘查仪器
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radioactivity survey instrument
放射性勘查仪器
利用某些核素的天然放射性,或核素受激后放出的电磁辐射(如特征X射线),测量其辐射类型和强度,以定性或定量测量自然界被测岩石、空气、土壤、水中核素种类(或含量)的仪器。
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