预本衔接的科技汉语语料库建设与应用

In view of the dilemma that many foreign students majoring in science and technology will fall into the low learning effect caused by the lack of professional vocabulary at the undergraduate stage. This paper constructs a textbook corpus based on science and technology textbooks and a spoken corpus based on science and technology course teaching videos through word segmentation, word frequency and word frequency statistics. Firstly, the corpus analysis tool is used to conduct word segmentation, word frequency and word frequency statistics of the corpus. Then, under the guidance of the word frequency threshold determination theory, the word frequency analysis tool is used to winnow the scientific Chinese words at the undergraduate stage.Finally, after expert intervention, the scientific Chinese word list of 2000 words and the common expression sentence patterns of scientific Chinese are constructed.In application of research fruits to teaching, this study developed an online search platform for scientific Chinese vocabulary.With vocabulary and expression sentence patterns of scientific and technological Chinese as the main reference, and compiled the textbook Chinese for Science and technology as well as the corpus material are compiled, the latter can be used as a reference for scientific Chinese teachers to assign pre-class knowledge introduction, after-class reading assignments or classroom tests.Through the development of college science and technology Chinese, this study connects the preparatory science and technology Chinese, and connects the whole service chain of studying science and technology Chinese in China, which reflects the concept of providing post-preparatory professional Chinese teaching service and building the scientific Chinese resource base.