The regression mathematical models for the yields of summermilletassociated with crop density, N and P fertilizers were established by using the optimal saturation D design.
研究采用二次饱和D-最优设计,建立了夏谷产量与密度、磷、氮肥的回归数学模型。
2
The distributions of. temperature T, densityN and velocity V are given using the equations coupling the MHD waves with the coronal atmosphere.