在理论上，实践美学顺应历史的潮流，宣告了形而上学的终结，走出了古典主义的二元对立思维模式；
In theory, practice aesthetics represents the tide of history, declares the end of metaphysics and gets rid of the mode of dualism.
通过运用吴消元法求解电力系统潮流方程，求得了全部实域精确解，同时避免了因以数值迭代方法求解出现雅可比矩阵奇异的现象。
By using Wu s method, all the precise solutions of power flow equations are worked out without encountering the numerical difficulty of ill-condition.
用有限元方法对黄河河口海域的潮流海洋动力过程进行了数值模拟和分析；
The Finite Element Method (FEM) is applied to numerically simulate the tidal flow in the vicinity of the river mouth of Yellow River.
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