ground measurement造句

• Eye-ground measurement measurement accuracy 2
  眼底检测，测量精度高。
• At present, the small electric current method is widely used in the grounding measurements of ground grids in foreign countries
  目前，国外接地网接地测量广泛采用了小电流测试方法，这种方法测量精度高，但价格昂贵。
• The testing process is easy to operate, and the cost of the grounding measurement system is relatively low . it is easy to maintain and expand the grounding measurement system
  使用该系统进行测试过程操作简单、方便，并且系统构成成本低，灵活、易用、易于维护和扩展。
• The testing process is easy to operate, and the cost of the grounding measurement system is relatively low . it is easy to maintain and expand the grounding measurement system
  使用该系统进行测试过程操作简单、方便，并且系统构成成本低，灵活、易用、易于维护和扩展。
• The test experimentations verify that the grounding measurement system of this paper can fulfill the demand of the small electric current test, and be applied to the engineering measurements
  通过现场测量证明本系统的测量精度到达小电流测试要求，可应用于实际工程测量。
• And then, a example is given about calculating regional average water mass and thermal flux exchanges at land-atmosphere interactions in yangtze river lower by a statistical-dynamical approach through combining remote sensing data with ground measurement data
  从野外观测事实的基础上讨论下垫面非均匀性对地表水热通量的影响；然后以长江三角洲为例，将遥感观测资料和常规资料结合起来计算区域平均水热通量。
• In the present grounding measurements in substations, the large electric current method is used to raise the ratio of signal to noise, but this method does not obviously decrease the measurement error . the test instruments are unwieldy, and it is easy to threaten personal safety
  在现有变电站接地网接地测量中，采用大电流测试法来减小测量误差，其消除干扰的效果并不理想，且此方法测量设备笨重，还可能危及人身安全。
• The test instruments based on this method are highly precise, but costly . the author develops a grounding measurement system of substations based on the virtual instruments, which uses labview as the development software and adopts the small electric current method . the fft method is used to process the measurement data, which can decrease the measurement error
  本文作者研制了基于虚拟仪器的变电站接地网接地测量系统，该系统以labview为软件开发平台，采用小电流测试法，并利用快速傅立叶变换方法对测试信号进行数字滤波处理，提高了该系统的信噪比。
• 2 ) for the rank-short problem of inter-satellite measurement net, the architecture of constellation ’ s autonomous navigation was designed . satellite-to-satellite and satellite-to-ground measurement scheme and time synchronization of measurement were discussed . last, all factors that influence the navigation precision of constellation were analyzed mathematically, and some useful conclusions were drawn
  2)针对星间观测网的秩亏问题,进行星座自主导航系统的框架设计,讨论了星间、星地的测量方案以及测量值的时间同步问题,最后对影响星座导航精度的各个因素进行了数学分析,得出了一些有益的结论。
• Logging method and pre-processing method of logging data have been ascertained for the logging tool formed by coaxial line phase water cut meter and other function units such as temperature meter and flow meter . data of 10 oil wells obtained by the logging tool has been interpreted using the soft-measuring model, and the result is accordant with data of ground measurement . it indicates that the soft measurement model of coaxial line phase water cut meter has high interpreting precision
  确定由同轴线相位法含水率计组成的组合测井仪的现场测井方法以及测井数据资料的预处理方法，并利用软测量解释模型对现场所测10口井的资料进行解释，结果与地面计量符合较好，说明同轴线相位法含水率计的软测量模型在现场测井解释中具有较高的解释精度。
• The subject of airplane power supply ground experiments test system come from china aviation experiment academe . this system is designed for the ground measurement of airplane power supply system to check whether these new powers have good characters, and offer basis for system examine and repair
  “飞机电源地面试验测试系统”任务来源于中国飞行试验研究院，该系统是为飞机电源系统的地面测试而设计的，其目的在于测试飞机电源系统的供电品质是否达到规定要求，从而为电源系统的检修提供依据。