It is an important mission of Geodesy to improve an accuracy of control networks and to establish the geocentric coordinate system via combined satellite and terrestrial network adjustment.
通过地面网与卫星网的联合平差，以改善网的精度和建立高精度的地心坐标系统，是当前大地测量的一项重要任务。
Based on control area network (CAN), a new monitoring system is developed to improve the accuracy and reliability of real-time monitoring for QR pure electrical vehicle.
为了提高实时监测系统的准确性和可靠性，文章基于控制器局部网(CAN)为QR电动汽车开发了一种新型的监测系统。
The accuracy and efficiency of the application of GPS in forest districts were improved effectively after building the GPS control network.
建立林区GPS控制网后，GPS在林区应用的精度和效率大大提高。
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