Base on the global reference system and according to these geodetic results th...
根据这些大地测量成果以全球参照系为基准，对该地区的重力场进行了研究。
It has not only standardized what must be reported to register a trial but is creating a global trial identification system that will confer a unique reference number on every qualified trial.
它不只使注册试验时须报告的内容标准化，而且建立了一个全球试验鉴定系统，为每项合格的试验颁发一个独有的参考号码。
In this paper, we analyze the key techniques for the service precision of Global Navigation satellite System such as time reference, time synchronization, satellite orbit determination, etc.
对影响导航定位系统定位精度的各种因素进行了分析。研究了影响导航定位精度的关键技术问题，如时间基准、时间同步和卫星定轨等。
In this paper, we analyze the key techniques for the service precision of Global Navigation satellite System such as time reference, time synchronization, satellite orbit determination, etc.
研究了影响导航定位精度的关键技术问题，如时间基准、时间同步和卫星定轨等。
With reference to the gravity survey, this paper describes the schemes of control network layout used with global positioning system (GPS) technique for Donghai Bridge project over sea.
结合重力测量，介绍利用GPS技术进行东海大桥跨海工程控制网的布设技术方案。
Two global hydrological models VIC model and CLM model from GLDAS system are introduced as a reference, to verify the GRACE estimates of water storage changes.
并引入GLDAS系统提供的两个全球水文模型VIC模型和CLM模型的全球水文数据作为参照，对GRACE估算水储量变化进行了验证。
In the strength analysis of the pumping jack of a pumping unit, it is very difficult to determine the reference node position under global coordinate system.
在抽油机支架强度分析中， 在全局坐标系下确定主惯性平面方位的参考节点的位置非常困难。
In the strength analysis of the pumping jack of a pumping unit, it is very difficult to determine the reference node position under global coordinate system.
在抽油机支架强度分析中， 在全局坐标系下确定主惯性平面方位的参考节点的位置非常困难。
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