The design level and manufacturing efficiency of the product can be promoted by using the conception of reverse engineering and the advanced design method.

利用逆向工程的概念，研究先进的设计方法，可以更有效地提高产品设计水平和生产效率。

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Here's shown a method to raise existing level in fixture designing and manufacturing. It is able to calculate the shortest dimensional chain and to solve very difficult inequality.

本文介绍了夹具设计中的最短尺寸链计算法，可以解决“计算不等式”法中无法解决的疑难问题，有利于提高目前夹具的设计与制造水平。

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So the industry level of Chinese Semiconductor manufacturing is still very low due to the blank of technology and management method.

半导体制造技术和管理上的空白，使中国的半导体产业一直停留在三流的水平。

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