The optimum earn outline is obtained rarely by the traditional design method.
采用传统的设计方法，很难求得凸轮的最佳轮廓。
Optimization design which is different from traditional design method is introduced.
介绍了与传统设计方法不同的优化设计。
The methods of automobile design can be divided into the traditional design method and modern CAE technology.
汽车的设计方法分为传统的设计方法和现代的CAE技术。
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