论文部分内容阅读
教学研究的选题一旦确立,下一步要做的就是资料的积累工作了,其中,对文献资料的检索是必不可少的。以下介绍的是文献检索的基本原则。
Once the topic of teaching and research is established, the next step to be done is the accumulation of information, of which the retrieval of documents and materials is indispensable. The following is the basic principle of document retrieval.