Water environment impact is related to the style and strength of the activities and with the water areas self-purification ability.

旅游活动对水环境的影响除了与活动方式、活动强度有关外，与水域面积、自净能力亦有显著的关系。

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American men toil for pay nearly 12 hours less per week, on average, than they did 40 years ago—a fall that includes all work-related activities, such as commuting and water-cooler breaks.

美国人比40年前平均每周少工作12小时-这个数值的下降包括所有与工作有关的事项，比如通勤时间和茶休时间减少了。

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Coordinate IHP and water sciences activities in the UNESCO Cluster and National Offices of the LAC and enhance and expand the scientific programmes and activities of the water-related category II centers under the auspices of UNESCO and UNESCO chairs aimed at strengthening these institutions and permanently increase and improve their services to Member States.

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But as Brazil grows--and in fact, as Latin America grows--fundamental features underlying all of the growth include good, clean water as well as sewage-treatment capability, which is also one of this company's other related activities.

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