求翻译：地球上水总储量约为1.36x1018m3，但除去海洋等咸水资源外，約有2.53%为淡水。淡水又主要以冰川和深层地下水的形势存在，河流和湖泊中的淡水仅占世界总淡水的0.3%。是什么意思？

The total reserves of water on Earth is about 1.36x1018m3, but excluding marine salty water resources, about 2.53% of freshwater. Freshwater glaciers and deep groundwater situation exists, only 0.3% of the world's total freshwater freshwater rivers and lakes.

Earth's total water reserves is approximately 1.36 X 1018 M 3, but removed from the ocean, salt water resources, there are about 2.53 % of fresh water. Fresh water and Main to glaciers and deep groundwater exists, the situation in the rivers and lakes of the world's fresh water is only 0.3 % of the

The Earth sails upstream the ultimate reserves is approximately 1.36x1018m3, but except salty water resources outside and so on the sea, some 2.53% is approximately the fresh water.The fresh water mainly by the glacier and in-depth ground water situation existence, in the rivers and the lake fresh w

Earth's total reserves of about 1.36x1018m3 in Sheung Shui, but drop the oceans, salt water resources, York 2.53% for fresh water. Freshwater, inter alia to glaciers and deep groundwater situation exists, fresh water in rivers and lakes are only 0.3% per cent of the world's total freshwater.

正在翻译，请等待...