It studies the intelligent sub-station about its hardware and software structure, detailedly analyses RS-485 bus communication technique and bi-port RAM arbitration technique.

研究了智能分站的硬件和软件结构，详细分析了RS - 485总线通讯技术、双端口ram仲裁技术。

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This paper introduces a design of embedded temperature monitoring system which is based on CAN bus, the entire system composes by the embedded controller sub-master and the Master controller.

介绍了一种基于CAN总线的可扩展的嵌入式温度监测系统的设计方法，整个系统由嵌入式分控器和主控器两大部分组成。

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Author research FPGA technique, PCI bus, X86 computer and develop the sub-equipment of communication system based on PCI bus. All of data is transported between FPGA chip and computer by PCI bus.

作者通过对FPGA、PCI总线以及X86构架微型计算机的分析与研究，研制了基于PCI总线的火控系统通信分机，所有数据都通过PCI总线在FPGA与嵌入式计算机之间高速传输。

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After analysing different sub-groups of bus pass holders, the study found that women over the age of 70 and living in London or in urban areas were significantly more likely to use buses and walk three or more times a week than those without bus passes.

BBC: Free bus passes 'have health benefits', UK study suggests