人均水资源仅有全球平均水平的四分之一。
The amount of water available per head of population is only a quarter of the global average.
水资源人均占有量低于世界人均水资源占有量的四分之一。
The average per capita water availability in China is lower than one fourth of that of the world average.
我国人均水资源只有世界人均水平的1/4，系用水紧张国家。
Water resource per capita in China is only 1/4 of the world average, which belongs to water-shortage country.
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