Three geochemical series, i. e. , the siderophile, chalcophile and lithophile series, have been classified for tin deposits based on geological-geochemical data on tin mineralization in Chi-na.
根据中国锡矿床产出的地质地球化学资料，划分出了三种锡矿床的地球化学系列，即亲铁系列、亲硫系列和亲氧系列。
An user knowledge based na? Ve bayes classifier was proposed in order to conquer the problem that most of the E-mail is unstructured and need users decoding.
在垃圾邮件分类和朴素贝叶斯算法研究的基础上，提出了基于用户知识的贝叶斯分类算法。
An user knowledge based na? Ve bayes classifier was proposed in order to conquer the problem that most of the E-mail is unstructured and need users decoding.
在垃圾邮件分类和朴素贝叶斯算法研究的基础上，提出了基于用户知识的贝叶斯分类算法。
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