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With only 6 percent of the world's fresh water resources and 9 percent of the world's arable land, China has managed to feed 21 percent of the global population, said Ma.
For instance, China's increased imports of crude oil and iron ore helped boost the economy of resource-rich countries, while its imports of integrated circuits and metal-working machines have benefited developed economies.
Currently, the world economy has seen some positive momentum, but many problems faced have not been fundamentally resolved, he said.
Three principles have been made clear.
来源：资阳报