语言学理论应用于犯罪侦查,是刑事技术科学的一种较新的方法。方言分析的方法包括对书写材料中语音的识别、词汇的识别和语法的识别,以及三者的综合识别。通过对文字书写中表现出的方言特点进行分析识别,可以判断和锁定作案嫌疑人的生活地域和籍贯,是一项应用型的研究。 Linguistic theory applied to criminal investigation is a relatively new method of criminal technology science. Methods of dialect analysis include the recognition of speech in written materials, the recognition of words and the recognition of grammar, and the comprehensive recognition of the three. By analyzing and identifying the dialect characteristics displayed in the written writing, it is possible to judge and lock the living area and origin of the criminal suspects. It is an applied research.