燃料电池客车采用多动力源的动力系统结构，需对其能量流动进行有效的控制。

For Fuel Cell Bus with multi-power sources configuration, energy flow must be efficiently controlled.

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因此如何设计一个合理而有效的体系结构是卫星网络控制系统的一个关键问题。

So how to design a reasonable and available system structure is a key problem of satellite network control.

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因此如何设计一个合理而有效的体系结构是卫星网络控制系统的一个关键问题。

So how to design a reasonable and available system structure is a key problem of satellite network control.

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