Danner style instrument company was established in 1994, initially by the very poor college students to work on the money started, 12 years of development, in Hubei Han Zhengjie, Yiwu, Zhejiang, Guangdong, Guangzhou, Kunming, Yunnan established chain of wholesale companies.
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Objects To investigate the relationship between dentition development and general growth and the effect of calcium on dentition growth and general growth by survey on pupils of 10 12 years old.
目的调查10 ~ 12岁小学生牙列发育和一般生长发育状况，探讨两者的联系以及钙制剂对牙列发育和生长发育的影响。
Global research company REN 21 - a network of governments, non-government organizations, and industry associations - reports China's total wind power doubled for the fifth year in a row in 2008, ending that year producing 12 gigawatts and passing its 2010 development target of 10 gigawatts two years early.
VOA: standard.2010.08.03
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