off-peak period 旅游淡季
Use of these materials could shift heating or cooling load of power supply from peak period to off-peak period, lowering the cost of power supply for users.
运用这种相变储能建材，可将电力供给峰期时的加热或制冷负荷转移到谷期，使用户降低使用费用。
They focus mainly on the off-peak period because of the negative impact of seasonality.
他们主要是针对于易于受季节性的负面影响的淡季进行分析。
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