1.
Applied Study of Substituting GPS Elevation for Fourth-grade-leveling Elevation
GPS高程代替四等水准高程的应用研究
2.
The discuss of the precision in the GPS height replacing the 4 and 5 grade leveling
GPS测高技术代替四、五等水准测量精度探讨
3.
The paper expounds the principle of triangular elevation surveying and its accuracy, and further presents the accuracy norm for 4(superscript th) grade of leveling surveging.
阐述全站仪三角高程测量的原理及精度，在此基础上得出达到四等水准测量的精度要求。
4.
Feasible Research on Replacing Rand Leveling with Trigonometric Height of Infra-red Waves
红外电磁波三角高程代替等级水准可行性研究
5.
Research on Trigonometric Leveling to Replace Second-Class Leveling in Mountain Areas
用三角高程代替山区二等水准测量方法研究
6.
Specifications for the third and fourth order leveling
GB12898-1991国家三、四等水准测量规范
7.
Technology of Total Station Instrument Precise Trigonometric Leveling used for Second-Grade-Leveling Elevation Survey
全站仪精密三角高程法用于二等水准测量的技术
8.
Application and Research of Precise Trigonometric Leveling in Second Leveling in Mountainou Area along Passenger Dedicated Line
精密三角高程测量在客运专线山区二等水准测量中的应用研究
9.
Application of Precise Triangle Height in Second Order Leveling of Dayaoshan Tunnel
精密三角高程在大瑶山隧道二等水准测量中的应用
10.
Automatic level and high-grade level survey as well as deformation monitoring
自动安平水准仪与高等级水准测量和变形监测
11.
equal in height or standard
同高度(水准)的,同等的,不相上下的
12.
Some Suggestions on Standards of Higher Vocation Education;
高等职业教育课程标准若干问题探讨
13.
Design of standard for rank and grade classification of hydraulic engineering complex(part of mountain zone)(trial edition)
水利水电枢纽工程等级划分及设计标准
14.
Geiod or quasi-geoid is a height datum for acquiring geospatial information.
大地水准面或似大地水准面是获取地理空间信息的高程基准面。
15.
The Application of Trigonometric Leveling and GPS in River-crossing Leveling
三角高程、GPS在跨河水准测量的应用
16.
The Practice and Exploration on GPS Beach Level Imitated Model
GPS水准高程拟合模型的实践和探讨
17.
Four Elements Influencing the Establishment of Higher Medical Education Curriculum;
试论影响高等医学课程制定的四大要素
18.
Applied Research of GPS Leveling in Line-road Engineering Height Measurement;
GPS水准在线路工程高程测量中的应用研究