The classification and codes information of geographic features is usually expressed by different combination patterns of major and minor codes.
地理要素的分类代码信息通常以主代码和辅代码的不同组合模式来表达。
With some of the major function codes, including IRP_MJ_PNP, the minor function code is required to further specify the operation.
伴随一些主要函数代码，包括IRP _ MJ _ PNP，次要代码被请求作更专门的操作。
应用推荐