开题报告和论文写作要领. 需要写论文的同学可以下载回来后学校. 来自USTC.感觉比较有用的. 不是虛的,是真有用.-Bernal and thesis writing principles. Need to write a paper, you can download after come back to school. From USTC. Feeling more useful. Not virtual, is really useful.