Meanwhile, the bending of a rectangular plate with complicated boundary conditions is calculated by the principle of minimum potential energy with mixed variables.
同时，应用混合变量的最小势能原理于计算一复杂边界条件矩形板的弯曲。
2
According to the use of glass is mainly: single glass series, double glass series, single and double glass mixing series, glass and platemixed series.
根据玻璃使用主要是：单玻系列、双玻系列、单双玻混合系列、玻璃与板混合系列。
3
A mixed way of energy dissipation is adopted as the thick bottom plate of the low bucket at deep river channel is favorable to provide narrow slot on it.