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Subject (Region)
- Agriculture2
- Anhui Sheng1
- Anhui Sheng (China)3
- Australia1
- Beijing3
- Beijing (China)11
- Bolivia1
- Brazil1
- Changchun (Jilin Sheng, China)1
- Changsha (Hunan Sheng, China)1
- Chengdu (China)1
- China510
- Chongqing1
- Chongqing (China)3
- Cochin China2
- East Asia3
- Europe, Eastern3
- European Economic Community countries2
- Ezhou Shi (China)1
- Former Soviet republics3