求翻译：ZPW-2000A型无绝缘移频自动闭塞是在法国UM71无绝缘轨道电路技术引进、国产化基础上，结合国情进行提高系统安全性、系统传输性能及系统可靠性的技术再开发是什么意思？

ZPW-2000A-based non-frequency-shift automatic blocking insulation is no insulation in France UM71 track circuit technology transfer, localization, based on the combination of conditions to improve system security, system performance and system reliability of the transmission technology and then deve

There is no insulation ZPW - 2000 A type of frequency automatic shut in France is 71 UM no insulation track circuit technology introduction, on the basis of the production, adapted to national circumstances for system security, system performance and system reliability of transmission technology re-

ZPW-2000A is shifted automatically without the insulation unenlightened is in the French UM71 non-insulation track circuit technology introduction, the manufacture domestically foundation, the union national condition carries on enhances the system safety, the system transmission performance and the

ZPW-2000A-no-insulation frequency shift automatic block is in France UM71 jointless track circuit based on technology transfer, localization, combined with the national conditions to improve system security, system performance and system reliability of technology development

ZPW-2000A-no-insulation frequency shift automatic block is in France UM71 jointless track circuit based on technology transfer, localization, combined with the national conditions to improve system security, system performance and system reliability of technology development