From 1998 to 2003, the gray relational entropy of low-water resource system changes from low, high to low value. After 2003, the gray relational entropy begins to increase again.

研究结果表明，贵阳地区1998年到2003年其枯水资源系统的有序度变化从增加到减小再到增加，2003年以后灰关联熵又开始增加，系统有序度又有增强的趋势。

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Cities across China are raising the price of water, in moves that try to balance the need to conserve an increasingly scarce resource with the effects on a public used to low fees.

中国的一些城市正在提高水价，希望此举既能保护日益稀缺的水资源，又不会对习惯于低收费的公众造成过大影响。

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This was determined by the low available resource, especially low available water and temperature.

这是由于低的有效资源，特别是低的有效水分与温度决定的。

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In order to encourage the participation of low-income communities, 150 schoolpacks containing 10 Global Water Kits and a School Resource Kit were sent free to over 30 countries.

UNESCO: Social and Human Sciences