Result analysis of the census for rivers and lakes in Xicheng district of beijing
MENG Ying-ying;LAI Hai-liang;HU Bo;WANG Xue-bin;ZHANG Lian-qing;CAO Song-tao;Beijing Water Science and Technology Institute;Beijing Xicheng District Municipal Commission of City Adminstration and Environment;Beijing Xicheng District Saving Water Office;