This is the idea of Carl Linneas who in the 1750s came up with the classification system we still use today for plants and animals.

这个说法是卡尔·林奈提出来的。他在18世纪50年代发明了动植物分类体系，沿用至今。

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Purpose To investigate the statistic significance of the central nervous system (CNS) tumors diagnosed with the principle of the new WHO classification.

目的探讨新的WHO分类在中枢神经系统肿瘤病理诊断及统计学分析中的意义。

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The classification system of mineral resources reflects, at some extent, he technology level of mineral exploration and development and the background of the nation and corporation who established it.

矿产资源的分级分类体系，既反映了勘探(查)开发行业的技术水平，也反映了国家和企业的资源管理水平。

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In 1851, American librarian Melvil Dewey, who devised the system of classification for library cataloguing, was born.

CNN: Tuesday,