This paper applies the finite element method to water and heat equations in SPAC system.
应用有限元算法，对SPAC系统中的水分运动方程和温度方程分别进行数值求解。
A numerical model for analyzing the heat and water flow in the SPAC system under transparent polyethylene mulch is studied.
本文建立了地膜覆盖条件下SPAC系统水热耦合运移模型。
This study offers the theoretical basis for researching the soil water movement, and it is the basis of researching the SPAC system in saline soil.
此研究为盐渍化地区土壤水分运动的研究提供了依据，是盐渍化地区 SPAC 系统研究的基础。
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