Surface waters in particular are renewable resources with a limited capacity to recover from adverse impacts from human activities.

地表水是可再生资源，但是人类活动产生的负面效应严重的限制了水质恢复能力。

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Phosphorus is a non-renewable and limited resource, and is also the key element that causes eutrophication of waters.

磷既是一种不可再生的资源，也是造成水体富营养化的重要因素。

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Ignoring the inherent dangers of Lake Dianchi's notoriously dark and murky waters, waters in which visibility is limited to less than two feet, Anderson succeeded in reaching the lost aircraft.

忽视滇池本身固有的危险和黑暗的湖水，能见度还不到两英尺，爱德森成功地摸到了失事的飞机。

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Pure electric cars and plug-in hybrids are just now testing the waters in limited numbers and are yet to be ready for prime time.

FORBES: California Orders Automakers To Sell More Plug-In and Fuel-Cell Cars

Nevertheless, the main ambition is that AQUA-LAC establishes an international framework within its field, through its unquestionable scientific quality and relevance, which is also not only limited to scientists and professionals of the Latin America and the Caribbean's waters.

UNESCO: IN FOCUS