本工具提供专业的海拔高度（正高）与椭球高度转换服务。基于国际标准EGM96大地水准面模型， 支持高精度的高程系统转换。适用于测绘工程、地理信息系统、工程测量等专业领域。 主要功能包括：海拔高度转换、椭球高度计算、批量数据处理、数据格式验证等。
This tool provides professional conversion services between orthometric height and ellipsoidal height. Based on the international EGM96 geoid model, it supports high-precision elevation system conversion. Suitable for surveying engineering, geographic information systems, engineering surveys, and other professional fields.