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数 学 研 究波动方程初值问题求解新法…………………………………………………………………………胡学刚,李玲(1-1)矢量在解析几何中的作用……………………………………………………………………………………杨纯富(1-4)简单系统相依部件的可靠性………………………………
Mathematical Studies New Method for Solving Initial Value Problems of Wave Equations .................................................................... HU Xue-Gang, LI Ling (1-1) In the role of ................................................................................ Yang Chun Fu (1-4) the reliability of simple system-dependent components ...... ..............................