今天室外气温32度，室内的却是22度。
计算结果表明，自然循环的制冷量随室外气温的降低而增加。
Simulation results indicate that the cooling capacity in natural-circulation mode increased when the outdoor temperature decreased.
分析了室外气温，太阳辐射，窗墙面积比对房间温度下降与上升的影响。
Outer door temperature, solar radiation and area ratio of window to wall have impact on the indoor air temperature change.
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