Membrane catalytic technology is an advanced science classification in multi - phase catalytic field.

膜催化技术是近年来在多相领域中出现的一门前沿学科。

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Classification of things has always been important in science.

把客观事物进行分类整理，在科学上一直十分重要。

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This article studies the statistical automatic text classification methods in the National Science Digital Library.

本文在国家科学数字图书馆的应用背景下，研究基于统计的自动文本分类方法。

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In its inquiry, the Science and Technology Committee found that drugs classification was a case in point.

BBC: VIEWPOINT

And that has Prof Stolper and the rest of the rover science team leaning (with a lot of caveats) towards a classification that sits on a well-established sequence of alkaline igneous rocks - one that goes by the name "mugearite".

BBC: Cosmic coincidence on the road to Glenelg

The occupation-based component includes 95 science, technology, engineering, and mathematics (STEM) occupations as classified by the federal Standard Occupation Classification system.

FORBES: Methodology For Forbes' Best Cities For Tech Jobs List