Water resource per capita in China is only 1/4 of the world average, which belongs to water-shortage country.
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。
There is a good coupling between the degree of the natural frangibility and the density of population and the water resource of per capita.
自然脆弱度与人口密度、人均水资源量之间存在着较好的耦合性。
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