Data and drawings of astronomical survey, geodetic survey, geodetic survey by satellite, and gravity measurement;
天文测量、大地测量、卫星大地测量、重力测量的数据和图件；
An astronomical geodetic survey was organized by Zhang Sui (LHsing), the Tang Dynasty astronomer, more than 1200 years ago.
本文介绍了一千二百多年前，由唐代天文学家张遂（僧一行）所组织进行的一次天文大地测量工作。
GPS is an advanced tool for deformation monitoring, and it has been widely applied in geodetic survey, crustal movement monitoring and precise engineering survey.
GPS作为当今最先进的测量手段之一，其精密定位理论和技术已在大地测量、地壳运动监测、精密工程测量等诸多领域得到了广泛的应用。
This paper introduces a GPS data processing software, OMNI, developed by National Geodetic Survey of U. S. , in particular, its strong ability of cycle slip fixing.
文章介绍了美国国家大地测量局开发的研用型GPS数据处理软件OMNI，特别是OMNI较强的周跳探测和修复功能。
In this paper author concisely summarizes a few common map-projection transforms and the result conversion of geodetic survey and gives their computer algorithm and the source program.
文中简明扼要地总结了几种常用的地图投影变换和大地测量成果转换，并给出算法及实现步骤，供作图人员参考。
Based on analysing theoretical formula of normal gravity field of the earth, the author holds that the geodetic elevation of GPS survey might ha adopted for cavity altitude correction.
本文通过对地球正常重力场理论公式的分析，认为可以采用GPS测量的大地高进行重力高度改正。
After exploration, this paper has proposed a systematic method for predicting earthquakes using the data of geodetic deformation survey, that is called as the dynamic "survey-prediction" system.
通过探索，本文提出了利用大地形变测量资料预报地震的系统方法，称之为测报动态系统。
After exploration, this paper has proposed a systematic method for predicting earthquakes using the data of geodetic deformation survey, that is called as the dynamic "survey-prediction" system.
通过探索，本文提出了利用大地形变测量资料预报地震的系统方法，称之为测报动态系统。
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