说明：  TEQC 要在dos环境下运行。TEQC （Translating， Editing and Quality Check）软件是由美国UNAVCO 开发的一款GPS/GLONASS 数据预处理工具软件。顾名思义，它有三项基本功能：数据格式转换、数据编辑和数据质量检核。
(TEQC must run under dos. TEQC (Translating, Editing and Quality Check) software developed by the U.S. UNAVCO a GPS/GLONASS data pre-processing tools. As the name implies, it has three basic functions: data format conversion, data editing and data quality checking.)