The iterative approach integrates the requirement , design , coding , and testing elements progressively 迭代方法日益增多地整合了需求、设计、程式设计和测设元素。
With the application of concrete - filled steel tubular member to mega - frame structures , the connection forms of main beam - column can be classified as welded rigid connection , bolted gemel connection and semi - rigid connection 摘要随着钢管混凝土组合截面日愈增多地应用于巨型框架中,主框架梁柱的连接形式分为焊接刚性连接、螺栓铰接与半刚性连接。