For example, if there is a use case to make a room booking, there must also be computation rules to determine the room charges.
例如，如果有一个用例是进行一个房间预订，也必须有一个计算规则来确定房间费用。
The numerical computation of indoor humidity of an office room in Beijing was carried. The results show that the hygrocsopic board can adjust the indoor humidity prominently.
文章对该类型调湿板在北京地区的应用效果进行了数值模拟，计算结果表明在北京的气候条件下，调湿板对办公型建筑的室内湿度调节有明显作用。
The numerical computation of indoor humidity of an office room in Beijing was carried. The results show that the hygrocsopic board can adjust the indoor humidity prominently.
文章对该类型调湿板在北京地区的应用效果进行了数值模拟，计算结果表明在北京的气候条件下，调湿板对办公型建筑的室内湿度调节有明显作用。
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