这些方程考虑到了风流的可压缩性和能量交换过程。讨论了控制通风网路中风流状态的数学模型。

Both the compressibility of airflow within the branch of the network and the exchange of energy are taken into consideration in the above equations.

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研究了室外墙面与其背景间的能量交换，建立了墙面红外图象灰度值与时间、天气参数和地理信息之间的方程；

Then, an equation about the gray intensity of outdoor vertical building surface and the time , weather parameters, and geographical information of the scene is established.

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提出了含蒸发潜热能量交换项的地表单元能量热平衡方程，并采取了温度线性化的处理。

The heat balance equation of an element of ground surface including the term of latent heat exchange was presented.

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