According to the general approach on metro route profile design, it is founded that the architecture of the CAD software system of metro route profile which guide the MRPCAD system development.
根据地铁线路纵断面设计的一般步骤，建立了纵断面辅助设计软件的系统结构，指导MRPCAD的开发研制。
PKPM are widely used in China architecture design institute. QITI, a whole new module was issued in 2008. This is the first commercial CAD software about RM in China.
PKPM软件在国内的建筑设计院中被广泛采用，2008年PKPM软件推出了全新的QITI模块，这个模块是国内第一个可以用于RM结构设计的商用软件。
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