By equation of heat balance, heating effect of soil in greenhouse has been studied. Scientific basis have been provided to popularize and use greenhouse vegetable planting technology.

利用热量平衡方程探讨了温室内土壤的增温效应，为推广和应用温室蔬菜栽培技术提供科学依据。

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By making use of heat balance of finite elements in variable domain, a differential equation of control has been derived.

利用有限元的受热平衡，推导出可变域中发汗控制微分方程序。

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The surface heat balance is discussed by involving the observational data of radiation and soil heat transfer, and the closed test of the surface heat balance equation is made.

结合辐射和土壤热通量观测资料揭示了两站的地面热量平衡状况，用地面热量平衡方程对以上结果进行了闭合误差检验。

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