1.
Analysis for influence of third order leveling to runway construction quality
三等水准对机场跑道混凝土施工质量的影响分析
2.
Specifications for the third and fourth order leveling
GB12898-1991国家三、四等水准测量规范
3.
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
4.
On the Key Problems of the Third Stage National First-order Levelling
国家三期一等水准测量若干问题的研究
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.
an ordinary seaman
[英](=[美]anapprenticeseaman)三等水兵
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.
Implementation of National First Order Leveling using High Accuracy Electronic Level
利用精密电子水准仪进行国家一等水准测量
12.
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。
13.
Review of the aquatic ecotoxicology and water quality criteria of three chlorophenols
三种氯代酚的水生态毒理和水质基准
14.
Specification for the first and second order leveling
GB12897-1991国家一、二等水准测量规范
15.
equal in height or standard
同高度(水准)的,同等的,不相上下的
16.
Developing Chinese Characters Proficiency Rating Scale;
《汉字应用水平等级标准》研制报告
17.
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
18.
On Strengthening the Construction of "three Virtues" and Improving the Standards of Morals;
加强“三德”建设 提升道德水准