| 1. | It has been widely applied in aviation and so on for structural optimum design which is able to make structures arrival at safe and economical aim , but in the civil filed , its research seldom puts into practice 进行结构优化设计可以使结构达到经济与安全的最佳结合点,目前在航空航天等领域得到广泛的应用,但在土木工程领域,还很少应用于实际工程。 |