“累积土壤氡测量”的概念、定义、翻译、参考文献-科学参考

单词	累积土壤氡测量
释义	累积土壤氡测量 Encyclopedia 理学氡及其子体测量释 integrated soil radon survey累积土壤氡测量被动地采用固体核径迹、活性炭等氡探测器，测定采样期间内土壤氡浓度平均值的方法。
随便看	second cementing interface second characteristic polynomial second class of ordinal numbers second comparison test second complementary law second component second conjugate space second contact second control second cosine formula second cosine theorem second cosmic velocity second countability axiom second countable space second countable topological space second Cousin problem Second creation second critical magnetic field second cultivated machinery second curvature second demographic transition second derivative second derivative test second derivative test discriminant second development

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