research on documents meaning in Chinese

档案考证

Advances in biological fertilizer and research on documents of this subject
生物肥料研究进展及其文献研究
Content analysis is the information analysis method in the field of mass communication and the method that does objective and systematic quantitative research on document contents
内容分析法是大众传播学领域的信息分析方法，是对文献内容作客观系统的定量分析的一种方法，准确地说，它是一种半定量方法。
Therefore , a lot of researches on documents were carried through , research status and methods in this field were analyzed , from the point of view of anatomical structure of lower extremity and injury biomechanics , injury type , injury mechanism and corresponding injury criterion of leg were researched
为此,本文进行了大量的文献研究工作,分析了国内外在该领域的研究现状及采用的研究方法等,并从人体下肢解剖结构及损伤生物力学角度,研究了下肢损伤形式、损伤机理及相应的损伤评价标准。