RNP程序和传统程序的区别包括？ The difference between RNP and traditional app

RNP程序和传统程序的区别包括？ The difference between RNP and traditional approach procedure is ___.

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

正确答案是1