Tao Chunhui (R, front), chief scientist of the expedition team of Chinese scientific research ship Dayang Yihao (Ocean No.1), attends the ceremony for the 26th expedition of the ship in Sanya, south China's Hainan province, April 28, 2012. The Chinese research vessel Dayang Yihao departed from the city of Sanya on Saturday, kicking off the country's 26th oceanic expedition mission. [Photo/Xinhua]
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