Demyanov

常见例句

• Demyanov difference
  Demyanov差
• Demyanov difference(sum)
  Demyanov差（和）
• Demyanov V F, Stavroulakis G E, Polyakova L N, Panagiotopoulos. Quasidifferentiability and Nonsmooth Modelling in Mechanics. Dordrecht, Engineering and Economics Kluwer Academic Publishers, 1996
  钟万勰;张洪武;吴承伟.;参变量变分原理及其在工程中的应用
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