The value of water resources is affected by many factors, in which time and space are is extremely important.
水资源价值与多种因素有关，其中时间和空间尤为重要。
A water resources value model is employed to evaluate the value of water resources and to determine the water resources price in Niyang River Valley.
采用水资源价值模糊数学模型，对尼洋河流域水资源价值进行了评价，由此确定水资源价格。
The value of water resources is a key problem of water resources economic management and sustainable utilization and occupies an important role in the water resources crisis.
水资源价值是水资源经济管理和持续利用的关键问题之一，它在解决水资源危机中占有举足轻重的地位。水资源价值与多种因素有关，其中时间和空间尤为重要。
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