It is the key to establish the first hand geological data bank in the geological mapping system of microprocessor, and all of the calculating methods are connected with data program.
地质图形微机处理系统建立原始地质数据库是关键，各种计算方法都与数据程序相连。
GPS, navigation function, and digital geological mapping system comprehensive utilization enrich the teaching practice field, improve teaching methods, models, and made a good teaching.
GPS定位、导航功能和数字填图系统的综合利用，丰富了野外实践教学内容，对改进教学方法、模式，取得了良好的教学效果。
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