gps global positioning system造句

• Gps global positioning system survey specification for highway
  公路全球定位系统
• Application of gps global positioning system to railway construction
  在铁路建设中的应用
• Gps global positioning system
  环球定位系统
• The application of gps global positioning system in the project control survey of 307 national highway
  在307国道工程控制测量中的应用
• Application of gps global positioning system and gyro - positioning technique in large - tunnel pass - through measurement
  和陀螺定向技术在大巷贯通测量中的应用