【Key words】 Chinese character； Chinese character form； layout design； layout design theory；
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The disquisition pilot study about the computer assisted optimization design of a screw spring of many radices using math layout theory conjoint to computer programmer method with a exemplity.
笔者将数学规划理论与计算机程序设计方法相结合，通过实例对多股螺旋弹簧的计算机辅助优化设计进行了初步探讨。
Great challenges and barriers exist in both theory and practice due to the NP-hard of layout problems in computation complexity and alarming difficulties in the design of spacecraft themselves.
布局问题的NP -困难性和航天器设计本身的巨大复杂性使得该问题的解决既有理论上的开拓性和挑战性，又存在工程实践上的艰难性和复杂性。
The application of granularity theory in the domain of layout design problem solving was discussed.
研究了问题求解的粒度理论在布局求解中的应用。
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