Institute of Geographic Sciences and Natural Resources Research;
Chinese Academy of Sciences;
Beo'ing 100101;
China;
School of Geography;
Beo'ing Normal University;
Beij'ing 100875;
China;
Graduate University of the Chinese Academy of Sciences;
Beijing 100049;
China;
产业集群; 航空器; 中国; 美国; 飞机制造业; 电子工业; 识别; 经济性能;