语码转换是社会语言学中一个非常重要的研究课题,也是双语/双方言社会中普遍存在的现象。本文立足于“宁波城区”这一小点,通过具体的问卷调查、分组测试及个别访谈的形式,结合前人的观点,对影响语码转换的各种因素作了实地考察,并从双语/双方言能力、语言态度、话语目的以及年龄、性别、教育程度等各个角度进行综合分析,涉及社会、心理及语言本身等各方面。 Code-switching is a very important research topic in sociolinguistics and a pervasive phenomenon in bilingual / dialect societies. Based on the small spot of “Ningbo City”, this paper makes a field investigation on the various factors that affect the code-switching through specific questionnaires, group tests and individual interviews, Bilingual / dual dialect ability, language attitude, discourse purpose and age, gender, educational level and other aspects of a comprehensive analysis, involving social, psychological and language itself and so on.