The factors affecting the Seasonal Energy Efficiency Ratio( SEER) have been investigated.

探讨房间空调器的季节性能特性及提高季节能效比的有效途径。

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Recent years, the seasonal energy efficiency(SEER)and integrated part-load value(IPLV)are the evaluating methods for refrigeration and heat pump equipment.

季节能效比（SEER）和综合部分负荷值（IPLV）是近年来出现的制冷和热泵装置能源效率评价指标。

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The testing results show that the system is effective in controlling refrigerant constituents and capacity and enables a significant increase in the seasonal energy efficiency ratio.

证明所建立的混合工质变浓度试验装置及所选择的工质可以基本满足预定的容量调节要求，并可明显提高装置的季节能效比。

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The energy sector typically has its strongest seasonal period from early February through June and it has been one of the weakest sectors so far in 2012.

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Some increase in sales is also expected to come from seasonal demands, the colder months of November and December drive energy requirements for heating in North America and Europe.

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