计算表明，建筑物或户型的供暖指标与其平均传热系数和体形系数的乘积成正比。

The result shows that the heat loss indices are in direct proportion to the product of mean transfer coefficient and shape coefficient.

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由于常规算法的局限性，在实际项目中换算外墙平均传热系数与外墙主墙体传热系数需要计算的工作量较大。

Then average heat transfer coefficient of building external wall and heat transfer coefficient of building block filling wall by calculating were calculated.

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把按二维温度分布计算出的墙体平均传热系数与按标准的一维面积加权方法计算出的平均传热系数作比较，两者差别很大。

The difference between the wall mean heat transfer coefficient calculated from the simulated results and that from one dimension weighted method is evident.

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