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Demographic experts say the move, as leaders map out the country's economic and social development plan toward 2020, will help the country achieve its short-term and long-term goals.
Before flying to the U.S. capital, Xi concluded a busy two-and-a-half-day stay in the West Coast technology and aviation hub of Seattle, where he put forward a four-point proposal on the development of the new model of major-country relationship.
Singaporean leaders hailed the traditional friendship and sound development of cooperation with China.
Marking the 60th anniversary of Qian's returning to his homeland from the U.S. in 1955, the exhibition titled "Qian Xuesen: a man of science and an inspiration to scholars," features numerous archives, documents and images of the scientist throughout his life and career.
The UN chief also described China as "an indispensable partner for UN agenda."
来源：资阳报