of;
Engineering,;
Peking;
University,;
Beijing;
100871,;
China;
of;
Building;
and;
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Hong;
Kong;
Polytechnic;
University,;
Hong;
Kong;
999077,;
China;
Huianhengda;
Management;
Consulting;
Co.;
Ltd,;
Guangzhou;
510080,;
China;
of;
Economics,;
Peking;
University,;
Beijing;
100871,;
China;
水资源利用; 经济系统; 投入产出分析; 北京; 水分利用效率; 统计数据; 数据输出; 组成部分;