The prevalence and adjusted rate of Mental Retardation(M. R. ) were 2.70% and 2.68% in the Qin-Ba Mountain Area in South-Shaanxi;

对陕南秦巴山区智力低下的现患调查表明，该地区智力低下总患病率为2.70%，标准化患病率为2.68%；

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The results of investigation and introduction of wild lily (Lilium L.) have been reported from the Qin-ba Mountain areas since 1981.

本文报道了自1981年以来对秦巴山区野生百合资源调查引种工作的研究结果。

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Since the factors like geography, transportation and economy have great impact on Qin-ba mountain, the middle school teachers here are faced with many problems that must be solved.

由于，秦巴山区受地理环境、交通、经济等因素的影响，秦巴山区中学教师职后教育培训工作存在诸多需要有关部门必须解决的问题。

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