two dimensional

Using the notion of coefficient matrix and maximal element.We prove that the Lie algebra is semi-simple and it has no abelian two dimensional subalgebra.

利系数矩阵和极大项，证明了这类李代数是半单李代数且没有二子代数。

The two dimensional pseudohomogeneous model was often used for the non isothermal, non adiabatic fixed bed reactor that was widely used for the strongly exothermic reactions.

非恒温非绝固定床反器广泛强放的反体系。

A hail cloud model that is two dimensional elastic non-hydrostatic, uses a terrain-following coordinate system and includes double parameters for ice phase microphysics, has been developed.

建立了一个适复杂地形的冰雹云模式。模式是二、弹性、非静力、采地形跟随坐标、包含双变参数冰相微物理过程参数化。