“geochemical baselines”的概念、定义、翻译、参考文献-科学参考

单词	geochemical baselines
释义	geochemical baselines Encyclopedia 理学矿产勘查地球化学释 geochemical baselines地球化学基准按照统一的基准网格、采集有代表性的样品、使用国际公认方法或标准获得化学元素及其化合物的含量数据，并以基准地球化学图的形式表示元素的空间分布，用含量数据和分布图件共同作为了解地球化学过去的演化规律和预测未来变化趋势的定量参照标尺。
随便看	expansion in a series expansion in partial fractions expansion in series expansion in terms of eigenfunctions expansion joint expansion joint of bridge deck expansion joints expansion lag expansion limit device expansion limit device technology expansion method in term of eigenfunctions expansion module expansion of a determinant expansion of a fraction expansion of a function expansion of a function in series expansion of decreasing dimension expansion of education expansion of enrollment in colleges and universities expansion of fixed assets investment expansion of genetic code expansion of the universe expansion option expansion parameter expansion planning for electrical generating system

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