【单选题】
A RNP程序的导航点定位依赖卫星导航，和传统程序仅依赖地面导航台的指引相比，位置误差更小，更精确 The waypoints of traditional procedure are based on ground navigation stations and RNP procedure are based on GNSS
B 传统进近程序在最后进近航段只有水平导航，而RNP程序在最后进近航段既有水平导航又有垂直导航 In the final approach segment, traditional procedure only has LNAV, while the RNP procedure has LNAV & VNANV
C 传统进近程序总是比RNP进近程序的的着陆天气标准高 The landing standard of traditional approach is higher than RNP approach
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