Institute of Earthquake Science;
China Earthquake Administration;
Beijing 100036;
China;
Earthquake Administration of Jiangsu Province;
Nanjing 210014;
China;
Earthquake Administration of Tianjin Municipality;
Tianjin 300201;
China;
China Earthquake Networks Center;
Beijing 100045;
China;
航空遥感图像; 震害指数; 地震应急; 都江堰市; 汶川; 小学; 提取; 市区;