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一、前言集成电路技术的迅猛发展,导致了微型计算机的问世。目前,我国已拥有相当数量的微机系统,其中最为广泛的是PC型个人计算机系统,例如:IBM PC/XT、长城0520、IBMPC/AT以及各种类型的兼容机。微机已广泛用于事务管理、数据处理、过程控制和科学运算领域,但是在图形处理方面的应用还不广泛,而一般的微型机均有较强的图形处理功能。众所周知,有限单元法等数值分析方法给地下工程的结构计算带来了巨大的生机;而地
I. INTRODUCTION The rapid development of integrated circuit technology has led to the advent of microcomputers. At present, China already has a considerable number of computer systems, of which the most widespread are PC-based personal computer systems such as IBM PC / XT, Great Wall 0520, IBMPC / AT, and various types of compatible computers. Microcomputer has been widely used in transaction management, data processing, process control and scientific computing field, but the application in the graphics processing is not extensive, but the average microcomputer has a strong graphics processing capabilities. As we all know, finite element method and other numerical analysis methods have brought tremendous vitality to the structural calculation of underground engineering;