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.

利用数矩阵和极大项，证明了这类李代数是半单李代数且没有二维交换子代数。

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.

建立了一个适用于复杂地形的冰雹云模式。模式是二维、弹性、非静力、采用地形跟随坐、双变参数冰相微物理过程参数化。

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.

非恒温非绝热固定床反应器广泛应用于强放热的反应体。