Geodetic measurements using a two-color Electronic Distance Meter made in California, 1975 to 2005
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Measurements of changes in the distance (or length) between monuments are provided. These measurements were made using a two-color Electronic Distance Meter (EDM)...
本数据集提供了各纪念碑之间距离(或长度)变化的实测数据。此类测量均采用双色电子测距仪(Electronic Distance Meter,EDM)完成……



