Briefly introduces GPS technique, with example of setting up GPS control net in national highway 210 route, discusses the application of GPS technique in highway control surveying.
简单介绍GPS技术，结合在国道210线建立GPS控制网的实例，论述GPS技术在公路控制测量中的应用。
Briefly introduces GPS technique, with example of setting up GPS control net in national highway 210 route, discusses the application of GPS technique in highway control surveying.
简单介绍GPS技术，结合在国道210线建立GPS控制网的实例，论述GPS技术在公路控制测量中的应用。
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