1、

The accuracy and the various layout methods of density control points encrypt during construction are discussed. The accuracy comparison of total station instrument method and GPS method is also conducted.

讨论了加密控制点常用的各种布设方法和精度,结合实例对全站仪法和GPS法加密控制点的精度进行对比。

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On the basis of the large scal ( 1: 2) plane structure model experiment of the penstock in the Three Gorges hydropower station, a method used to relieve virtual stain and upgrade measurement accuracy is introduced.

结合三峡水电站压力管道比尺(1:2)平面结构模型试验,详细介绍了钢材应力测试中消除虚应变,提高测量精度的具体做法和成果。

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5、

either vertical or horizontal 4-station or 6-station too post precision contrate gears with a high repeated posiotioning accuracy.

无论是纵向或横向的4台或6台高精度contrate齿轮后也具有高重复posiotioning准确性。

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6、

the effect analysis of the observed diurnal magnetic variation from multi-stations on the accuracy of marine magnetic survey

多台站地磁日变观测数据对远海磁测精度的影响分析

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The high precision barometers have been applied widely in weather station, sounding balloon and sounding rocket, its precision directly works on the accuracy of weather forecast.

高精度大气压力传感器在地面气象站及探空气球与探空火箭中有着广泛的应用,该传感器的精度直接影响了气象预报的准确度。

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