gps and dr car navigation gps与dr组合导航系统
Dr Clare Gerada, head of the Royal College of GPs, said some of the rise in prescribing was also likely to be due to increased awareness about the condition and doctors getting better at diagnosis.
英国皇家医师学院的院长克莱尔.格兰达博士表示，抗抑郁药物需求量增多也与人们对抑郁的意识加强以及医师们诊断水平提高有关。
Traditional GPS positioning technique is unreliable as it works on the occasion of insufficient satellite signal, and it can be modified and complemented by DR arithmetic.
传统的GPS定位技术在定位卫星信号接收差的场合工作不可靠，通过DR算法可将GPS信号进行修正和补充。
Using GPS module to get the data of position and using DR device to aid GPS module, the system can provide the users with the real-time location information.
利用GPS模块提供的位置数据进行定位，利用DR模块在失去GPS信号的情况下进行航位推算，从而实时的地为用户提供位置信息。
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