It is a quadruple spiral structure built up of identical elements.
它的主体是一个四联体的螺旋形结构。
According to analysis for structure of testing string, the mathematics model is built up.
根据测试管柱的结构进行分析，建立了相应的数学模型。
For regular graphs, the plotting program set is built up upon level structure of subprograms;
对于有规则的图形，用子程序分层结构，建立绘图程序组；
For regular graphs, the plotting program set is built up upon level structure of subprograms;
对于有规则的图形，用子程序分层结构，建立绘图程序组；
应用推荐