1.
Specification for the first and second order leveling
GB12897-1991国家一、二等水准测量规范
2.
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
3.
Improving specifications for the first and second order leveling
《国家一、二等水准测量规范》存在的问题及修改意见
4.
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
5.
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
6.
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
7.
Establishment and application 0f Nicety Second order leveling network In the Yancheng city Sheyang river
盐城市射阳河精密(二等)水准网建立与应用
8.
Abstract: The paper introduces second-class sea-crossing leveling put into practice in Xiamen Haicang bridge.
文摘:介绍了二等跨海水准测量厦门海沧大桥的实施情况.
9.
Cities such as Taiyuan and Lanzhou in the northwest had sulfur dioxide levels in recent years that were almost 10 times higher than World Health Organization guidelines.
太原和兰州等西北部城市近几年的二氧化硫水平比世界卫生组织规定的标准高出近10倍。
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.
Specifications for the third and fourth order leveling
GB12898-1991国家三、四等水准测量规范
13.
equal in height or standard
同高度(水准)的,同等的,不相上下的
14.
Developing Chinese Characters Proficiency Rating Scale;
《汉字应用水平等级标准》研制报告
15.
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
16.
Tier II grade-level standards for accountants, financial analysts and finance of
会计员、财务分析员和财务干事第二级职等标准
17.
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
18.
Evaluation of Uncertainty in Calibration Results for Second-class Standard Platinum and Rhodium 10-Platinum Thermocouple
二等标准铂铑_(10)-铂热电偶校准结果不确定度评定