Using high precision GPS/leveling data and global earth s gravity field models EGM96 and WDM94,the geo-potential difference between Hong Kong Principal Datum (HKPD) and 1956 yellow sea height datum of China was determined in the paper.
本文利用全球重力场模型EGM 96和WDM94及GPS水准数据 ,确定了香港主要高程基准面与我国 195 6黄海高程基准面的重力位差。
metre above Principal Datum [mPd]
主水平基准以上……米
at right angles to the plane of the horizon or a base line.
与水平面或者基准面成直角。
Hydropower Project Three-dimensional Standard Parts Database Based on CATIA
基于CATIA平台的水电三维标准件模板库
Adjustment Programming of Level Net on the Basis of MATLAB
基于MATLAB的水准网平差程序设计
Basic English level (equilvent to or above high school).
基本的英文水准（相当与或高于高中水平）。
Study on Structure Design Guide and Global Strength Analysis of Spar Platform;
单柱式深水平台结构设计准则及主体强度初探
Practising ISO9000 Standard Management Technique in Order to Improve Democratic Management Level;
运用ISO9000标准管理技术提高民主管理工作水平
These are known as ″basic impulse insulation levels″ (BIL). Basic Impulse Insulation Level is expressed in impulse crest (peak) voltage with a standard wave not longer than a 1.2\50s wave.
基本冲击绝缘水平是以不长于1.2;50gs的标准波形冲击峰值电压表示的基准水平。
To measure the different elevations of(a tract of land)with a level.
测量水平用水准仪对（土地）做水准测量
Analysis of China′s Information Technology Level Based on the Networked Readiness Index;
基于网络准备能力指数来分析我国信息化水平
The enactment of the inspiring regulation and of the datum level on the civil aviation charge;
激励性规制与民航票价基准水平的设定
Spatial Autocorrelation Patterns of Datum Land Prices of Cities in a Region
区域城镇基准地价水平的空间自相关格局分析
Development of general leveling adjustment program based on VB6.0
基于VB6.0的加权自由水准网平差程序的开发
Appraisal of urban management level on primary component analysis;
基于主成分分析的城市经营水平评价
(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％。
Criteria of Production are the Basic Principles of Marxism──On Deng Xiaoping s Socialism Essence;
生产力标准是马克思主义的基本原则——兼论邓小平社会主义本质观
Study on Water Quality Standards for Storm Water Infiltration Based on Risk Assessment in Pinggu Basin of Beijing
基于风险评价的北京平谷盆地雨洪水回灌水质标准研究
This fixture should be provided with a reference leveling surface, so that it can be kept level as the balance deflects.
这种装置应该有一个水平基准面，以便在天平变形时能够使之保持水平。