Investment officer for nearly 20 million, put GPS receivers, water level, total station, flat instrument more than 10 sets of measuring instruments.
投入人员近20人次，投入GPS接收机、水准仪、全站仪、平板仪测量仪器10多台套。
The additive constant of the electro-optical distancemeasuring instrument and the total station instrument are the correction of the survey results using these instruments.
光电测距仪（含全站仪）的加常数是仪器测量结果的改正项目，是仪器检定项目非常重要的一项。
The additive constant of the electro-optical distancemeasuring instrument and the total station instrument are the correction of the survey results using these instruments.
光电测距仪（含全站仪）的加常数是仪器测量结果的改正项目，是仪器检定项目非常重要的一项。
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