界桩类型有如下分类：
The types of boundary posts are classified as follows:
1.按规格：根据界桩的外形和尺寸可分为特大纪念型、大型、中型和小型。其区别没有严格的量化标准，不仅各条边界采用的尺寸和外观不同，即使在同一条边界中也不一定相同；
1. According to specifications: according to the shape and size of boundary posts, they can be divided into extra large commemorative type, large-scale, medium-sized and small-sized. There is no strict quantitative standard for the difference, not only the size and appearance of each boundary are different, but also they are not necessarily the same even in the same boundary;