“fraction of soil heavy metal”的概念、定义、翻译、参考文献-科学参考

单词	fraction of soil heavy metal
释义	fraction of soil heavy metal Encyclopedia 农学土壤重金属形态分级释 fraction of soil heavy metal土壤重金属形态分级依次采用不同的选择性提取剂对土壤进行连续提取，分别测定每次提取液中的重金属浓度的测定方法。
随便看	frequency standards frequency step frequency sweep mode frequency swept laser frequency switching frequency synchronization frequency synthesis frequency synthesized signal generator frequency synthesizer frequency table frequency theorem frequency theory frequency theory of probability frequency thermometer frequency transition frequency upconversion frequency value measurement frequency-varying induced polarization instrument Frequent Asked Questions，FAQ frequent blinking frequent cases related to property frequent flyer program frequentism probabilistic logic frequentit frequent itemsets

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