文摘：研究了序批式生物膜反应器中微生物量的变化特点。
Abstract: The quantity change regularity of microorganism was studied.
本研究采用语料库方法，从实证角度对生物医学类英文摘要中第一人称的使用及相关问题进行了研究。
The present paper reports a corpus-based empirical study on the usage of first person and related issues in English bio-medical abstracts.
本研究采用语料库方法，从实证角度对生物医学类英文摘要中第一人称的使用及相关问题进行了研究。
The present paper reports a corpus-based empirical study on the usage of first person and related issues in English bio-medical abstracts.
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