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卫星导航系统
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全球卫星导航
将导航卫星作为无线电信标,通过接收导航卫星发射的信号,测量载体与卫星之间的距离或多普勒频移,从而实时解算得到载体位置、速度和时间等导航参数的方法或过程。
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Writing Brush with Inscription“Bai Ma Zuo”Unearthed from Wuwei
writing condition variation handwriting
Writing Culture
writing dynamic stereotype
writing for current trends
writing for discontentment
writing habit
writing indentation
Writing in the City of Wuchang
writing media
writing method
writing of historical facts
Writings
writing show the brilliance of tao
writing skill
writing skills during the spring and autumn period
writings of portrait painting in Qing Dynasty
Writings of the Orthodox School
Writings on Connoisseurship of Ming Calligraphies, Paintings and Other Antiquities
Writings on Plum Painting
writing symbols
Writing text
writing tools
writing transmitters
written constitution
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