1. survey, Shanghai uncompleted residential flats become rotten There are three main reasons : First, funds are not available later. 一项调查显示，上海烂尾楼烂掉的原因主要有三种：一是后期资金不到位；
2. Through comparison between traditional survey and digital topographic survey, the specialties of digital topographic survey are analyzed in detail by basis of production practice. 以生产实践为基础，通过与传统测量的比较，详细分析了数字化地形测量的特点，提出了其优越性。
3. The quick section survey system of all station equipment is used for distance and angle survey after the equipment completes inputting of point survey data and setting of back azimuth angle. 全站仪快速断面测绘系统是利用全站仪在完成了测点数据的输入和后视方位角的设置后，进行距离和角度的测量。
4. The improved survey system of aeromagnetic horizontal gradient has important progress in instruments and survey techniques, its survey effect is good in Zhoushangtest area. 改进研制后的航磁水平梯度系统在仪器及测量方法技术上有了重要进展，在东海某试验区取得了较好的梯度测量效果。
5. Based on the shape of the survey curve, the survey point of the ground or the survey point of the buildings are disturbed by the air temperature and the rainfall. 从曲线形态看，无论是地面测点还是建筑物上的测点，都不同程度地受气温变化和降水的干扰。
