高程注记 meaning in Chinese

elevation number
height note

The major work implemented in this paper are presented as follows : ( 1 ) the neighborhood relation between elevation marking points and contours is emphatically analyzed , according to which a method of automatically checking contradiction between their values is presented
提出的主要方法有： ( 1 )着重分析了等高线和高程注记点的位置关系，提出利用点线的相邻关系实现高曲矛盾自动检查的算法。