In addition, many ontologies are domain specific in fields such as technology, environmental science, chemistry and linguistics.

此外，很多本体都是特定于诸如技术、环境科学、化学和语言学之类的领域。

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The application GC-MS Technology in petroleum and chemical industry, medicine, food analysis, biological chemistry, environmental science and earth chemistry, and so on was reviewed.

本文对气—质联用技术在石油化工、 医药、食品、生化、环境、 地球化学等方面的应用作了综述性报道。

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In recent years, the application of green chemistry and its technology has become an important subject in the field of environmental protection and pollution prevention.

近年来绿色化学及其技术的应用已经成为环境保护和防止污染的重要方面。

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