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本文建立了任意旋成面叶栅内不可压缩流动A,B和C三类杂交命题的变分原理,旨在从理论上为水力机械的准三元流动的数值分析提供新的途径。
In this paper, the variational principle of the three kinds of hybrid propositions of A, B and C in any spinneret cascade is established, which aims to provide a new way for the numerical analysis of the quasi-ternary flow of a hydraulic machine theoretically.