A great number of calculating results show that eeabs is effective and practicable . in addition , the method has been successfully applied into optimum design of two types of range - changing mechanism of gantry crane and the software systems of optimization design and analytical calculation of straight - arm gantry crane and ? ptimization design and analytical calculation of balance pulley compensation gantry crane ? has been compiled 另外，作者还对基组结式消元法在两种门座式起重机变幅机构优化设计中的应用做了成功的尝试，并编制了“变幅补偿直臂架门机的优化设计和分析计算”和“平衡滑轮式补偿门机的优化设计和分析计算”软件系统。
The distribution of magnetic field in a permanent magnetic thin film array is investigated by analytical calculations in this thesis . theoretically , the effects of the size of array units and of the distance between them are calculated , especially the contribution of adjoining array units 本文利用磁场解析计算方法研究了永磁薄膜阵列的磁场分布，理论上计算了薄膜阵列单元的尺寸和间距对永磁薄膜阵列工作点的影响规律，计算了周围阵列单元对中心单元工作点的影响。
