文章详细信息 关键词： 双边界二分式条件价值法;;支付意愿;;非市场价值;;西安市 [gap=704]Keywords: Double-bound dichotomous CVM;Willingness to pay;Non-market value;Xian City
基于112个网页-相关网页
Xi'an has 110 small towns at present.
目前,西安市拥有110个县级以下小城镇。
参考来源 - 西安市小城镇生活垃圾资源化利用无害化处置的研究According to the historically statistic data of Xi"an City,the land utilization type database was established. Based on it,land sustainable quantity change and land use spatial change during the period from 1989 to 1999 in Xi"an were completely analyzed.
根据西安市所辖区县的历史统计资料,建立土地利用类型数据库,并以此为基础,全面分析了西安市1989～1999年土地利用的数量交化趋势和空间变化差异特征。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
这条贸易路线始于陕西省西安市，止于东欧，靠近今天的土耳其和地中海。
The trade route starts from the city of Xi'an in Shannxi Province and ends in Eastern Europe, near today's Turkey and the Mediterranean Sea.
铅仍为西安市蔬菜中的主要污染元素。
The major pollutant element is Pb in vegetables of Xian city.
然后飞机开始下降，我安全到了西安市。
Then the plane began to get lower and I got to Xi 'an safely.
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