1.
Specifications for the third and fourth order leveling
GB12898-1991国家三、四等水准测量规范
2.
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
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.
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
5.
The criterion of equality of two quaternions is that their scalar parts shall be equal.
两个四元数相等的准则是，它们的数量部分相等。
6.
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
7.
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
8.
Explore in the secondary vocational education teachers′ qualifications and standards between China and USA
中美中等职业教育教师资格标准“四步比较”
9.
Specification for the first and second order leveling
GB12897-1991国家一、二等水准测量规范
10.
equal in height or standard
同高度(水准)的,同等的,不相上下的
11.
Developing Chinese Characters Proficiency Rating Scale;
《汉字应用水平等级标准》研制报告
12.
The courtyards have the supply of cold water, sewage system, electricity.
四合院具备冷水、电和下水道系统等设施。
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.
Article 14 The drinking water for experimental animals of the first class shall measure up to the hygiene standards of urban drinking water.
第十四条 一级实验动物的饮水，应当符合城市生活饮水的卫生标准。
15.
A Study on the Preparation and Quality Control of Radix Puerariae and Other Three TCM Refined Granules;
葛根等四种中药配方颗粒的制备工艺和质量标准研究
16.
(c) where such market access opportunities for a product are greater than 30 per cent, the base trigger level shall equal 105 per cent.
（c）如一产品的市场准入机会高于30％，则基准触发水平应等于105％。
17.
Some Problems About the Calculation of Technical Economy of Optimization Rule etc.of Hydropower Stations
关于水电站优化准则等技术经济计算若干问题
18.
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