The main function of rural long distance education system is knowledge and information dissemination and the Agriculture Service Center is mainly for problem solving in local area.

农村远程教育以普及知识、传播信息为主，农业服务中心以解决农民实际生产中出现的疑难问题为主。

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Breakpoint testing is still in the stage of application and dissemination. It has been being on trial for long distance transmission pipeline without SCADA system.

断电法测试在国内还处于推广和应用阶段，尤其是在无s CADA系统的长输管道上，其应用还处于尝试阶段。

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