“radioactivity survey”的概念、定义、翻译、参考文献-科学参考

单词	radioactivity survey
释义	radioactivity survey Encyclopedia 理学放射性勘探方法释 radioactivity survey放射性勘探方法通过探测放射性的方法技术来研究地球介质中天然放射性核素（铀、钍、钾等）和人工核素的核辐射场及其放射性核素活度的分布和变化规律，从而达到矿产资源勘查及解决地学、环境相关问题的地球物理勘探方法。又称放射性物探、核地球物理。
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