design planes meaning in Chinese

世界顶级设计专家团

This is the catch in designing planes .
这是在设计飞机中的棘手难题。
To simulate designed plane , a new multiple model technology is refered on the base of merits and disadvantages to petri and oriented object , and the multiple model of as / rs is developed using it
为了对设计方案进行仿真，在分析petri网和面向对象技术优缺点的基础上，提出了将两种技术结合的复合建模思想，建立了自动化立体仓库的仿真模型。