为了解各年龄组儿童血清中微量元素缺乏情况，检测了湖南省龙山县人民医院门诊298例儿童血清中微量元素含量。
In order to find out the deficiency condition of serum trace elements in different age group children, serum trace elements were detected in 298 outpatients.
拥有超过10年的营运经验，玉龙山水行商务服务有限公司（简称丽江山水行）俨然成为云南省团队建设公司领导者之一。
With more than 10 years of experience, SSX (Shan Shui Xing) is one of the leading corporate team building companies in Yunnan Province.
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