| 1. | Photogrammetric surveying : production of survey plans and maps from photographs
摄影测量：从照片制作测量图及地图 |
| 2. | Provision of land boundary ( cadastral ) surveys , photogrammetric survey as well as cartographic and reprographic services
测量土地界线(即地籍测量) 、进行摄影测量、提供制图及摄影制图服务 |
| 3. | The provision of land boundary ( cadastral ) surveys , photogrammetric survey as well as cartographic and reprograhpic services ; and
测量土地界线(即地籍测量) 、进行摄影测量、提供制图及摄影制图服务；及 |
| 4. | It becomes possible that digital railway plan be used , which based on 3d terrain environment for the introduction of virtual reality and the wide application of digital photogrammetric survey
虚拟现实技术的引入和数字摄影测量技术的广泛应用，使得基于三维虚拟地形环境的数字铁路选线成为可能。 |
| 5. | It is to satisfy the needs of modern management of university to practise the project of digital chengdu university of technology . improve gee - information sharing and make the geo - information to be scale at the same time . the thesis put forward the primary design and the work flow of the project of digital chengdu university of technology . in the surveying field , digital photogrammetric surveying , which improves efficency and data accuracy , almost have taken the place of tranditional field observation method
建立“数字成都理工大学”校园工程是为了满足成都理工大学现代化的管理的需要，加强地学信息的共享，同时使成都理工大学地学信息产业尽快形成规模效益。本文提出了“数字成都理工大学”校园工程初步设计方案和具体工作步骤。数据采集利用了数字摄影测量手段，进行数字化测图，改变了传统的实测的方法，提高了效率，增加了数据的精度。 |
| 6. | The author summarizes the current situation of the large scale data topographic map surveying ; analyzes the technology used in the large scale data - mapping system ; introduces system error correction ways based on time series analysis and analyzes the basic method of getting topographic information directly from the aerial photogrammetric surveying
摘要概述了目前大比例尺数字化地形图测绘的现状；分析了实现大比例尺数字化航测成图系统的相关技术；引入了基于时间序列分析的系统误差修正方法，分析了直接从航测影像获取地形信息的基本方法。 |
