The ring unit characteristic equations in relation to Laplace 's, Poissou 's and Helmholtz 's equa. tions are derived.
本文推导出了该单元的拉普拉斯方程、泊松方程和波动方程的单元特征式。
The ring unit characteristic equations in relation to Laplace 's, Poissou 's and Helmholtz 's equa. tions are derived.
本文推导出了该单元的拉普拉斯方程、泊松方程和波动方程的单元特征式。
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