They use GPS orientator, digital camera and other necessary appliance to collect and register data of every reference site.
他们使用GPS定向器，数码相机和其它必要的设备来收集和注册每个参考站点的数据。
The choice of Base Station is based on on-site reconnaissance, using GPS orientator, digital camera and other necessary appliance to collect and register data of every reference site.
无线基站站址采用现场勘测方式，携带GPS定位仪、数码相机等必要设备，对各参考站点进行数据采集并记录。
The choice of Base Station is based on on-site reconnaissance, using GPS orientator, digital camera and other necessary appliance to collect and register data of every reference site.
无线基站站址采用现场勘测方式，携带GPS定位仪、数码相机等必要设备，对各参考站点进行数据采集并记录。
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