The Chinese used a gravity meter to correct for local deviations in sea level.

中国人用重力仪来校正海平面的局部偏差。

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Chinese scientists found a whale fall for the first time in the South China Sea this year. The whale fall ecosystem can stay in the deep ocean because of great pressure and cold temperature there.

今年，中国科学家首次在南海发现鲸落现象。鲸落生态系统可以停留在深海，因为那里的水压大、温度低。

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Two years ago America complained when Chinese vessels harassed a surveillance ship, the USNS Impeccable, in the south China Sea south of the Chinese island-province of Hainan.

两年前，美国抱怨中国船只干扰美国侦查舰无畏号在海南以南的南中国海的侦查活动。

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She led the way for the United States to be more active in Libya, to manage unprecedented international sanctions against Iran, to stand up to the Chinese in the South China Sea.

CNN: President Hillary Clinton? If she wants it

Mrs Clinton told a regional summit in Vietnam last year that the US supported non-Chinese claimants to the sea.

BBC: US says China's navy has been less aggressive in 2011

According to Fan Di'an, vice-president of the Central Academy of Fine Arts in Beijing, the last five years has seen a sea change in Chinese policy towards the arts.

ECONOMIST: Two leading art fairs are showcasing new art from China