The paper introduces first the status and prospects of GPS satellite geodetic works in China, then, discusses the principles of the control network setting and the selection of surveying points, and finally, the fieldwork and data processing.是什么意思_The paper introduces first the status and prospects of GPS satellite geodetic works in China, then, discusses the principles of the control network setting and the selection of surveying points, and finally, the fieldwork and data processing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句