随着计算机图形技术在工程与教学中的推广应用，在教学实践中对如何处理画法几何部分的讲授出现了两种意见。

Along with the spreading of computer graphics in teaching and engineering, there are two opinions about how to deal with descriptive geometry.

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本文通过试验与工程实践，介绍采用碎（砂）石桩及低强度混凝土桩组合构成复合地基的试验成果、计算方法及应用检测成果。

This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.

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目的面向工厂机械加工生产实践，开发融合工艺装备管理与设计于一体的计算机集成应用系统。

Aim To develop a computer integrated application system for managing and designing manufacture equipments used in the process of manufacture.

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