1·Study on the ecology water requirement is the emphasis and difficulty for current water resources management.
生态环境需水量是当前水资源管理等学科研究的重点和难点。
2·A systematic forecast method for city life water requirement is established, and it has theoretical and practical significance to provide a reference for city water resources programming.
并建立起一套系统的城市生活需水量预测方法，为城市水资源规划提供决策参考，具有理论和实践意义。
3·The eco-environmental water requirement in 2005 was less than that in 2000.
计算结果表明：2005年湿地生态环境需水量较2000年有所减少。
4·The current research status of ecological and environmental water requirement was summarized.
对国内外生态环境需水量研究现状作了概述。
5·In the third step, the total water requirement should be less than the renewable resources to compensate for the loss of storage resources due to the exploitation in the previous steps.
第三阶段应实现总需水量低于地下水系统补给资源量，使数十年超采造成的储存资源亏空逐年得以偿还。