人眼能感知的光亮是以流明-小时为单位计量的，每流明相当于一支燃烧一小时的蜡烛产生的能量。

The light perceived by the human eye is measured in units called lumen-hours.This is about the amount produced by burning a candle for an hour.

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根据《国际卫生条例》，要求每一国家指定《国际卫生条例》国家归口单位，负责每周七天、每天24小时向世卫组织提供信息并接受世卫组织的信息。

Under the IHR every country is required to designate a National IHR Focal Point, charged with providing to and receiving information from WHO on a 24 hour basis, seven days a week.

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每月的公司售卖， 单位售卖对于公司的商店之一，而且每一月职员缺席小时在一间工厂中是例子。

Monthly company sales, unit sales for one of a company's stores, and absent hours per employee per month in a factory are examples.

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