生物工程下游技术是生物技术专业的主干课程，具有综合性和实践性。
The downstream of biotechnology is the main course of biotechnology specialty with comprehensiveness and practice.
介绍了双水相萃取技术在生物工程下游工程中的应用现状，综述了ATPE相关研究近年来的进展。
The applications of the aqueous two-phase extraction in these years were summarized, and the advances on the research of ATPE were reviewed.
介绍了双水相萃取技术在生物工程下游工程中的应用现状，综述了ATPE相关研究近年来的进展。
The applications of the aqueous two-phase extraction in these years were summarized, and the advances on the research of ATPE were reviewed.
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