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远距离穿针装备
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远距离穿针装备
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煤层气钻井
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long-distance needle drilling equipment
远距离穿针装备
通过实时检测地下近千米处的人工旋转磁场的分布特征,经软件处理、控制,在钻井过程中实现对邻井井眼空间位置进行高精度定位与导航,最终完成两井的精确连通的技术设备。
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satellite doppler measurement
satellite Doppler navigation system
satellite Doppler positioning
satellite Doppler shift measurement
satellite Doppler tracking
satellite eclipse
satellite ephemeris
satellite exploration of the upper atmosphere
satellite-framed language
satellite galaxy
satellite geodesy
satellite geometry calibration
satellite geometry calibration test site
satellite gradiometry
satellite gravity field inversion technology
satellite gravity gradiometry
satellite gravity survey
satellite gravure press
satellite ground quantum key distribution experiment
satellite ground tracking
satellite hydrology
satellite image database
satellite image map
satellite image navigation and registration
satellite inclination
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