有时，一次用多级齿轮传动可获得大的降速比。
Sometimes, many spur gears are used at once to create very large gear reductions.
本文提出的方法可以推广到处理多级齿轮传动问题。
The method can be extended for solving transmission problems of multi-stage spur-gears.
对于多级齿轮传动系统的齿轮齿数分配问题，需要具体情况具体分析。
About the teeth number distribution of multistage gear transmission system, concrete analysis should be made according to concrete circumstance.
因此，深入研究船用多级齿轮传动系统，对于优化系统参数、提高其安全性、可靠性有着重要的理论指导意义。
Therefore, further investigation on ship's gear transmission system is of value to enhance its security, reliability and parameter optimization.
提出了提高多级斜齿圆柱齿轮传动系统动态性能优化设计方法。
The many stage helical gear train system optimal design which takes the dynamic properties as an objective function is presented.
此外，Romax软件还能够提供包括多级行星齿轮和准双曲面齿轮系统在内的完整齿轮传动系统的结构分析能力。
Furthermore, Romax provides the capability to perform structural analysis of an entire gear train system, including compound planetary gear sets of the transmission and hypoid gears of the axle.
此外，Romax软件还能够提供包括多级行星齿轮和准双曲面齿轮系统在内的完整齿轮传动系统的结构分析能力。
Furthermore, Romax provides the capability to perform structural analysis of an entire gear train system, including compound planetary gear sets of the transmission and hypoid gears of the axle.
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