By using the method of the gauge transformation, this paper obtains the gauge transformation of Eigenvalue problems of energy dependent potentials and the Backlund transformation.
用规范变换的方法，导出了位势依赖于能量的特征值问题的规范变换及相应的贝克隆变换。
The edge internal branch crack problems for half-plane in antiplane elasticity are solved with complex potentials and singular integral equation approach.
利用复变函数和奇异积分方程方法，求解反平面弹性中半平面边缘内分叉裂纹问题。
The cooperation is a economic affairs based on the harmony of each entity's interests and on mutual potentials, which arouse theoretical and practical problems in cooperation need to be studied.
合作是各经济主体以利益相容为前提、以实力为基础进行的优势互补的经济活动，中外金融机构合作中存在许多值得研究的理论和实际问题。
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