选题 ,即选定研究的课题 ,是科技研究工作中十分重要的步骤 ,也是撰写科技论文的关键性的一环。它担负着解决“研究什么”、“写什么”的重任 ,要解决研究的目标和范围。课题选择是否恰当 ,在很大程度上会影响论文的质量 ,因而有人说 ,选择好研究课题是论文成功的一半 ,是颇有 Topic selection, that is, the subject of selected research, is a very important step in the research of science and technology as well as a crucial part of the writing of scientific papers. It is responsible for solving the “research what” and “what to write” task, to solve the research goals and scope. The appropriate choice of the subject, to a large extent, will affect the quality of the thesis, so some people say that choosing a good research topic is half the success of the thesis is quite