本文介绍了对由杆、膜、梁、板壳单元组成的工程结构可进行实际设计的程序系统DDDU。
The program system DDDU for actual design of engineering structures composed of bar, diaphragm, beam, shell, etc. is introduced.
运用系统可靠度评估的方法，结合梁被模型化为由混凝土板、剪力传递器和钢梁串联而成的结构系统。
The composite beam structure is modeled as a series system consisted of concrete slab, shear studs and steel beam.
球与板系统是一个典型的多变量的植物，这是传统的球和梁问题的扩展。
Ball and plate system is a typical multi-variable plant, which is the extension of the traditional ball and beam problems.
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