１前言对于出租车计价器的评定，目前唯一的标准就是国家计量检定规程ＪＧ５１７８８，该规程只能检定某计价器是否合格。从用户角度，需要的是性能最好、使用寿命最长、受环境温度影响最小、维修率最低的计价器。为解决这一问题，本文拟采用邓聚龙教授创立的灰色系统... 1  preface The assessment of taxi meter, the only standard is the national measurement test JG517  88, the procedure can only test whether a meter is qualified. From the user’s point of view, what is needed is a meter with the best performance, the longest service life, the least impact on the ambient temperature, and the lowest maintenance rate. To solve this problem, this article intends to use Professor Deng Jurong founded the gray system ...