So this dissertation provides important theory reference and project example for researchers of the weight lighting to passenger car body 因此本文对以后此类型大客车的轻量化设计改进提供了重要的理论参考和工程实例。
This dissertation seeks feasible method for car body weight lighting by the car body fem ( finite element method ) analysis 本文就是通过对大客车的半承载式车身骨架有限元的分析计算，寻求切实可行的车身骨架轻量化途径。
Cases all adopt the die casting aluminum alloy , realizing the light products . shift fork all adopt copper alloy , realizing the minitype 壳体全部采用压铸铝合金，实现产品轻量化；换档拨叉全部采用铜合金，实现小型化。
Thansfer adopts the whole aluminum case and the silent chain for the assembly structure more compact as well as realizes the light , low noise 分动器采用全铝壳体、无声齿形链式传动，使总成结构紧凑，实现产品轻量化、低噪声。
At the same time , this paper pointed that the topological optimization method can be used in the lightweight design of the back contour of the primary mirror 同时本文还提出，可用拓扑优化的方法进行主反射镜镜背的轻量化设计。
Iron and steel industry company produces steel of high strength car body steel products in order to satisfy the require of seeking light of car industry 为了满足汽车制造业追求轻量化的要求，钢铁企业推出高强度汽车钢材系列钢板。
Lightweight milled aluminum body allows for distribution of weight to the perimeter of the head . precision milling gives it a clean , rich look 轻量化研磨铝合金材质能使重量分散至杆头周边，精密研磨后的外观予人洁净与极佳的质感。
Soft switching technology has been one of the hot points of power electronic technologies for smaller and lighter and modularization converter 为了满足功率变换器的小型化、轻量化、模块化的发展趋势，软开关技术已成为电力电子技术的热点之一。
The lightening design of vehicle should guarantee the strength , stiffness , mode and crashworthiness of the car body in the condition of raising train speed 车体承载的结构轻量化，要保证车体的强度、刚度、动态特性和耐碰撞性等满足提速客车的要求。
The structure characteristic of 200km / h high - speed car body is generally analyzed , the thought of lightening design about steel structure of the car body is described 全面分析了200km h高速客车车体的结构特点，阐述了该车车体钢结构轻量化设计的思路。
