本文阐述了二次空气阀的结构、工作原理和匹配要点。
This article introduces the structure, operating principle and key matching points of secondary air valve.
阐述了生物燃料电池和以病毒为模板的二次电池的工作原理以及在电池结构和性能等方面取得的研究成果。
The principle of the biofuel cell and virus-enabled rechargeable battery and the relationship between the cell structure and the performance are described.
本文在国内外首次提出并创建了近正四面体法二次定位原理。
This paper presents the principle of secondary orientating by approximate tetrahedron for the first time.
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