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No trace of the plane has been found.
BEIJING, Feb. 15 (Xinhua) -- U.S. Secretary of State John Kerry left Beijing on Saturday afternoon, ending a two-day visit to China.
With bilateral trade and economic ties becoming increasingly diversified, cooperation between China and Africa has expanded to a wide range of areas, covering emerging industries such as finance, aviation, agriculture and tourism.
Zhang, the chemist, was born in 1928 in north China's Tianjin. He earned a bachelor's degree in chemical engineering in 1947 and went to the United States to further his studies. Zhang obtained a master's degree in 1950, when the Korean War broke out.
Also at the conference, Vice Premier Liu Yandong called on all Party members to be resolved to carry out the guideline on deepening cultural reform.
来源：资阳报