Speed is the key –the transfer of the solar energy takes place almost instantaneously so little energy is wasted as heat.
关键之处就在于速度，太阳能的传递几乎就在瞬间完成，所以很少能量以热的形式耗散掉。
Another portion is lost as heat because of inefficiencies in energy transfer.
由于能量转换效率低，另一部分能量以热量形式损失掉。
As the key parameter in heat transfer analysis of double skin facade system, the convective heat transfer coefficient is very important in considering energy-efficient and economical performance.
该对流换热系数作为双层换气幕墙传热分析的一个关键参数，对考察双层幕墙热工性能、经济性能有着重要作用。
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