同时，针对GPS的缺陷性，为了解决GPS无法测量部分地籍碎部点这一问题，提出了GPS与全站仪、GPS与CCD相机、GPS与手持式激光测距仪集成等测量技术措施。
In order to make up the shortcomings of GPS , some integrating measures such as GPS + Total Position Station , GPS + CCD , GPS + Portable Laser Distance Measuring Instrument and etc are given .
手持式激光测距仪