根据一个有效的非线性粘弹模型，导出复合固体推进剂微分形式本构方程和应变速率关系式。
Based on an effective nonlinear viscoelastic model, the differential constitutive equation and strain-rate equation of solid composite propellants are induced.
调和方程的解与微分形式之间有着密切的联系。
The solution of A-harmonic equation and the differential forms have many affinities.
根据微分形式的麦克斯韦方程组得出漏磁场动态数据模型。
The mathematical analysis model for MFL is established, based on Maxwell's equations.
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