五针松疱锈病国内研究概况。
Research Advancement of Five-needle Pine Blister Rust in China P. r.
第一章对国内外的研究概况做了简要回顾，并提出了本文研究目的、范围，研究方法及意义。
Chapter one reviews the research in this area at home and abroad, and raises the research purpose, range, research method and the significance.
包括了本文选题的背景，国内外学者研究的概况，选题的学术价值和应用价值。
This part include the background, an overview of domestic and foreign scholars, the choice of academic value and value.
应用推荐