一是举例分析含复合排的行星变速机构，建立其传动比公式，并进行评价。
In the article some examples is given to analyse planetary shifting mechanism with complex planetary gearset, deduct formulae of its transmission ratio and briefly evaluate it.
针对某行星变速机构复合排行星齿轮和滚针轴承进行了受力变形分析和损伤率计算。
The paper analyzed the deflection of a compound planetary gear set and calculated the damage percentage of its roller bearing.
通过建立多自由度行星变速机构的构件相对转速图，提出了一种多自由度复合行星传动方案设计理论和方法。
The design theory and method of multi-freedom compound planetary transmission scheme were presented based on component relative rotational speed diagram.
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