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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Deadlines and all their grim paraphernalia, such as alarm clocks, car services, online or phone reservations of any kind, programming my GPS, setting the hotel's always impossibly complicated alarm clock, and, yes, understanding a voice-mail message.

WSJ: The Journeying Dyslexic's Lament

"There is good clinical evidence that longer consultations will allow us to do that, but if we are to meet all the targets the government is setting us we need far more GPs, and more nurses, " he added.

BBC: GP consultation