simple set单集simpleadj.简单的；朴素的；单纯的；笨的simple complete graph简单完全图simple frame core box敞开式芯盒simple and unaffected简单、质朴simplex matrix method单纯矩阵法simple inside support内支座为简支simple data structure简单数据结构simple solid material简单固体材料simplex radio station单工无线电台simple list structure简单表结构simple sustain girder简支梁