Study on present situation and conservation strategies for the endangered species, Sinopodophyllum emodi in Liupan Mountain of Ningxia;
本文分析了我国城市供水存在的主要问题,并以开源节流加强保护为原则提出了安全保障对策。
Based on study methods of historical documents, investigation and statistics, the article analyses present situation and factors influencing of humanities quality education in teachers?
运用文献资料法、调查问卷法和数理统计等方法,对高师体育教育专业人文素质教育的现状及影响因素进行了研究。
Purpose To study on the present situation and problem in clinical literature scientific studies of auricular acupuncture for treatment of acne.
目的:研究耳针治疗痤疮临床文献科研方法的现状及其存在问题。
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