中文摘要：

在分析现有用水定额确定方法的基础上，针对大连市水资源严重短缺的实际状况，选用典型企业代表法和用水指标群半结构性识别方法相结合的方法，确定大连市重点行业的用水定额，以解决大连市目前相对滞后的用水定额与节水技术水平提高的错位，指导大连市的取用水管理，同时对其他类似城市用水定额的确定提供一定参考。

英文摘要：

Regarding to the situation of serious shortage of water resources in Dalian, the typtcat muust~ y ~v and semi-structural identification method of water use index group were used to determine the water consumption quota of key industries in Dalian based on the analysis of existing methods for determination of water consumption quota. The results can solve the misplacement problem between the backward water consumption quota and improvement of water-saving technology, and therefore provide guidance for the management of water consumption in Dalian. Meanwhile, the results in this study can of- fer certain references for the water consumption auota of other similar cities.