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The combined adjustment of astro geodetic and space geodetic networks is of great significance for checking, controlling and strengthening the astro geodetic network, and for establishing and extending the geocentric coordinate system. 天文大地网与空间大地网联合平差 ,对于检核、控制与加强天文大地网以及建立与扩展地心坐标系 ,都具有重要意义。
The convergent and divergent velocities of active plate boundaries in the north hemisphere are obtained with space geodetic data. 利用现代空间大地测量技术测出北半球活动板块边缘会聚、扩张和滑动速度。
We derived a plate elastic motion equation, and based on the new space geodetic data, create elastic motion models for Philippine Sea, Pacific and Australian plate. 推导了板块的弹性运动方程,由空间大地测量新的观测成果建立了菲律宾海、太平洋和澳大利亚板块的弹性运动模型。
Geodetically, the configuration of geodetic network can not he fixed. 从测量角度来看，就是网的绝对位置无法确定，网形浮动。
It consists of three parts which are establishment of 2000 National GPS Geodetic Network,its combination adjustment with national astro-geodetic network and 2000 National Gravity Fundamental network. 它主要包括建立2000国家GPS大地控制网,2000国家重力基本网,以及前者与国家天文大地网的联合平差等,以实现国家3维地心坐标系统的坐标框架。
the third-order GPS geodetic network 三级GPS大地控制网
A combined adjustment(phase I) of the nationwide astro geodetic and GPS geodetic networks was accomplished early in 1998. The paper reports the principles adopted and the models used in the adjustment and presents results. 全国天文大地网与全国 GPS大地网联合平差 (I期 )于 1 998年初完成。本文报告平差采用的原则和模型 ,并提出平差结果。
Establishment of High Precision Geodetic Network in South China Sea 南海海域高精度大地控制网的建立
Sequential Adjustment of Constraints in GPS and Geodetic Network GPS网与地面网约束条件的序贯平差
Data Quality Assessment on the Third Order GPS Geodetic Network 三级GPS大地控制网观测数据质量检测
Geodetic Network Technical Design in Support of Electronic Map 电子地图支持下的大地控制网技术设计
Tell that joker to stop using my parking space. 叫那个家伙不要占用我的停车场。
There is plenty of space here to move about. 这里有很大的活动空间。
We're a bit cramped for space in this attic. 在这间阁楼里我们有点活动不开。
There isn't much space left for your luggage. 剩下的地方不太够你放行李的。
It's easier for small car to find a parking space. 小型汽车比较容易找到停车空地。
The hotel has garage space for thirty cars. 这家饭店有停放30辆小汽车的车位。
Non-iteration Method for Inversion of Space Geodetic Rectangular Coordinates and Geodetic Coordinates 空间大地直角坐标与大地坐标反算的非迭代法
There isn't enough space for my address. 我写地址的地方不够。
Space rockets are being sent up all the time. 现在随时都有火箭发射。