求翻译：先后主持或主要参加或参加的科研、推广项目20项；获奖项目15项，其中：获一等奖2项，二等奖四项，有2项为研究成果；成果登记3项，其中2项为研究成果。是什么意思？

Has presided over mainly to participate or to participate in the research, promotion, 20; 15 winning projects, including: two won the first prize, second prize of four, two research; three outcomes registration, two of which research results.

He chaired or participated in, or participate in a major research project; 20 15 award winning project, which won the first prize: a 2, 2, 4, and 2 research; results for the 3, 2 of them for the results of the study.

Manages either the main participation or the participation scientific research, the promoted project 20 items successively; Prize project 15 items, among: Attains the first award 2 items, the second prize four items, some 2 items for research results; The achievement registers 3 items, 2 items for r

Presided over or mainly involved in or participate in research, promotion item 20; 15 award-winning projects, including: first prize 2, second prize of four, 2 for study results; results register 3, 2 of which research results.

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