structural cross-section造句
例句與造句
- Under the condition of unchanged topology configuration of the truss , the extremum existence of the natural frequency is demonstrated . it will orientate the optimization of structural cross - sections and the topology optimum with frequency constraints toward a further search measure . 4
證明了在保持結(jié)構(gòu)拓?fù)浠静蛔兊那闆r下,桁架結(jié)構(gòu)優(yōu)化頻率的極值存在,為具有頻率約束的結(jié)構(gòu)的橫截面積優(yōu)化以及進(jìn)一步的拓?fù)鋬?yōu)化提供了優(yōu)化指向; 4 - It's difficult to find structural cross-section in a sentence. 用structural cross-section造句挺難的