On the whole, average weekly hours are far below their pre-recession level.
整体而言，周平均工作时间比起衰退前大幅下滑。
Its low light performance is on average level only, which obviously is the result of poor light transmission.
它的透光率只处于平均水平，这明显是透光性能低下的结果。
Its low light performance is on average level only, which obviously is the result of poor light transmission.
它的透光率只处于平均水平，这明显是透光性能低下的结果。
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