对现代汉语自动分词软件评测技术提出了理论依据和实用算法。提出了分词软件的质量评价原则；评测语料库、歧义切分、人名、地名等各项评测内容的选择依据；《分词规范》中亟待解决的问题以及分词软件评测中切分正确率和切分速度的计算方法等 A theoretical basis and practical algorithm are proposed for the evaluation of modern Chinese word segmentation software. Proposed the quality evaluation principle of word segmentation software; the selection basis of evaluation content such as corpus, ambiguity segmentation, person name and place name; the problem to be solved in “segmentation specification” and the correctness of segmentation and segmentation speed in word segmentation software evaluation Calculation method and so on