Combined effective coefficient shows engine's capability to resist the combined distortion and the interaction between pressure and temperature distortions.
组合影响系数表示发动机抗组合畸变的能力以及压力畸变和温度畸变之间的相互影响。
2
Combined with the theory of viscosity, the relationship between diffusion coefficient and activation energy is expressed.
结合粘度理论建立了分子扩散系数与活化能之间的关系；
3
In the calculations of roll torque of ablation lag, a rapid method for calculating combined influence of ablation injection and roughness on skin friction coefficient is mainly described.