R-mode factor analysis has proved very useful in distinguishing geochemical data, clearly dominated by anthropogenic in comparison to geogenic sources.
型因子
析已被证
别地球化学资料方面是非常有用的，它主导着人
成因和地球成因来源的对照。
R-mode factor analysis has proved very useful in distinguishing geochemical data, clearly dominated by anthropogenic in comparison to geogenic sources.
型因子析已被证别地球化学资料方面是非常有用的，它主导着人成因和地球成因来源的对照。
声
：以上例句、词性
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