通过对主减速机齿轮寿命不足问题的分析，提出了在高速级采用组合式硬齿面齿轮的设计方案。
Through analyzing the problem of short life of gears in the main gearbox, the design programme for composite hard-surface gears in high-speed level is described.
提出了实现导航信息组合中心高速通信的硬件架构方案和软件设计框架。
Hardware architecture is projected for navigation information integration Center, communication programme is also developed.
提出了实现导航信息组合中心高速通信的硬件架构方案和软件设计框架。
Hardware architecture is projected for navigation information integration Center, communication programme is also developed.
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