齿轮变速机构 meaning in English

gear shift

The analysis of the tow - row planetary gear transmission
双排行星齿轮变速机构的传动分析
It was researched into the coupling form between three - row planetary gear train and shift restriction based on the matrix , and then the method of establishing mathematics model was presented for to analyze the planetary gear transmission by using matlab
摘要基于矩阵理论对行星齿轮变速机构的行星排之间联结、换档约束进行研究，提出用联结矩阵的组合形式建立三排行星机构传动型谱的概念，分析其所有可能的传动结构型式。