美国通用汽车公司制定的MAP计算机网络标准发展十分迅速,它特别适用于工厂自动化领域的计算机局部区域网络。本文综述了MAP标准的产生背景,介绍了MAP规范、应用形式、发展动态及其意义。 The MAP computer network standard developed by General Motors of the United States has developed rapidly. It is particularly suitable for computer local area networks in the field of factory automation. This article summarizes the background of the MAP standard, introduces the MAP specification, application form, development and significance.