| 1. | Geodetic network optimization is a classic topic in geodesy
控制网的优化设计在大地测量界是一个经典的研究课题。 |
| 2. | Astro - geodetic network
天文大地网 |
| 3. | The concept of collaboration design is introduced . and the idea of geodetic network collaboration design based on computer network technology is given
引入协同设计的概念，提出了基于网络进行大地测量控制网协同设计的思想。 |
| 4. | The smo is also responsible for the establishment and maintenance of the geodetic network in hong kong that provides the essential reference points for all types of land and engineering survey activities
测绘处亦负责设立及管理香港的大地测量网络，该网络为各类土地及工程测量提供重要的参考点。 |
| 5. | The office is also responsible for the establishment and maintenance of the geodetic network , provision of aerial survey and photogrammetric services , and the provision of an up - to - date map at various scales
测绘处也负责设立和管理香港的大地测量网络，提供航空测量和摄影测量服务，以及提供按不同比例制成的最新地图。 |
| 6. | In this paper , using technique of data modeling , object models of geodetic network are designed . further , an universal format on data collection is worked out . with different formats and styles , handed in by different data producers , data can be integrated
本文运用数据建模技术，设计了大地网的数据对象模型，进而制订了具有统一格式的数据采集接口格式，把不同数据生产者提交的不同格式的不同类型的数据集成起来，起到了信息集成的作用。 |
| 7. | It is demonstrated that the solution for 141 000 order normal equations for a simulated astro - geodetic network ( 47 057 points ) and a space one ( 476 points ) iterates 4 993 times to converge to 1 10 - 18 second , taking 28 min and 47 seconds , on a pii / 233 computer , showing over 40 times more efficiency , as compared with the coefficients unadjusted
利用模拟的天文大地网( 47057点)和空间网( 476点)在pii / 233微机上解算14 . 1万阶方程组共迭代4993次(收敛至1 10 - 18角秒) ，花费机时28分47秒，与未进行系数调整相比，功效提高40多倍。 |
