When you're running a low tolerance gear train system, you have to be able to repeat that in a series production environment.

当你运行一个低容忍齿轮火车系统，您必须能够重复，在一系列的生产环境。

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The many stage helical gear train system optimal design which takes the dynamic properties as an objective function is presented.

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。

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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。

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Instead of vast maneuver grounds and lots of instructors and equipment, soldiers can train with small but high-tech gear such as Dismounted Soldier Training System, or they can practice techniques, such as squad tactics or IED recognition, using a training game on a laptop or even smartphones.

FORBES: U.S. Army Cracks Down on Video Games