...ican Planning and Implementation Regional Group 加勒比/南美洲计划和实施区域小组 GRS Ground-Reference Station 地面基准站 GRS80 Geodetic-Reference System-80 大地基准系统-80 ..
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We measure electromagnetic Leak amount of TV satellite ground station, define its effect degree to ambience, so to provide reference idea for environmental protection management.
通过对电视台卫星地面站电磁泄漏的测量，明确其对周围环境可能造成影响的程度，为环境保护管理提供参考性意见。
By means of GPS dummy network reference station positioning system, the ground control points for the calibration of remote sensing image were surveyed with the precision of centimeter level.
利用GPS虚拟网络参考站定位系统，以厘米级精度测定校正遥感图像的地面控制点。
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