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汉语拼音：rè píng héng

物体内部各部分之间无热量传递，且物体同外界之间无热量交换的状态。处于热平衡时，物体内部的温度处处相等，且与外界温度相等。

• Global changes of the heat balance between the sun and the earth are influenced by variations in the solar constant.

  太阳和地球间热平衡的全球性变化是太阳常数的变化引起的。

• The heat released from chemical reactions in its interior has no significance for the heat balance of the earth.

  地球内部化学反应释放的热对于地球的热平衡并不重要。

• Simulated results show that there exists an optimization problem between the underground thermal balance and running time of cooling towers.

  模拟运行结果表明，运行控制策略面临地下热平衡与冷却塔运行时间之间的协调优化问题。

• The influence radius of a single well can be predicted through analyzing the heat balance and the thermal diffusion.

  单个热储井的影响半径可以通过热平衡和热扩散原理求得。

• Meanwhile, the humidified amount of reaction gas and the heat balance of the fuel cell stack are calculated in detail.

  并对反应气体的加湿量和电堆的热平衡进行了详细的计算；

• Steel rolling heating furnace conditions are realized by means of heat balance testing of the furnaces.

  摘要通过对湘钢轧钢加热炉的热平衡测试，了解炉子的热工作状况。

• The heat balance equation for each grid unit is found, which involves solar radiation, ground reflection, sky radiation, etc.

  找到了每个网格单元的热平衡方程，它涉及太阳辐射、底面反射、天空辐射，等等。

• Flow characteristics(2-D Boundary Layer) and surface thermal balance are identified as the critical assumptions to be evaluated.

  我们把流动特性（二维边界层）和表面热平衡作为评价的关键假设。

• Taking Zhanjiang Power Plant as an example, the authors describe the heat balance test of thermal power plants.

  以湛江电厂为例，介绍火力发电厂能量平衡之热平衡试验；