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。
The study makes a comparison of water physiological characteristics between two species and analyzes the relationship among the components of the SPAC system.
通风干湿表和气压计测定大气水分状况。分析了两种植物的水分生理特征与环境的相互关系。
The soil plant system is a very important subsystem of the soil plant atmosphere continuum (SPAC).
土壤植物系统是土壤-植物-大气连续体(SPAC)中的一个重要子系统。
The soil-plant system is a very important subsystem of the SPAC.
土壤—根系系统是SPAC水分连续体中重要的子系统。
The cascade refrigeration system can be applied to the thermal vacuum test facility of spac…
复叠制冷系统可以应用于卫星部组件热真空试验设备、高低温试验箱以及医用低温箱等。
The cascade refrigeration system can be applied to the thermal vacuum test facility of spac…
复叠制冷系统可以应用于卫星部组件热真空试验设备、高低温试验箱以及医用低温箱等。
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