The minimum criteria for precision approach are expressed in _______ .
A.MDH and RVR/VIS
B.DH, ceiling and VIS
C.MDH, ceiling and VIS
D.DH and RVR/VIS
正确答案是D
The minimum criteria for precision approach are expressed in _______ .
A.MDH and RVR/VIS
B.DH, ceiling and VIS
C.MDH, ceiling and VIS
D.DH and RVR/VIS
正确答案是D