The aspect ratio can be monitored in the following ways:
A.V/DEV, also known as "yoyo", is the symbol associated with the FMGS standard displayed on the PFD B.Display the value of V/DEV on PROG page C.Leveling arrow on ND D.A little bit of lateral deviation of the aircraft (pfyok) is also very good if there is no lateral deviation of the aircraft正确答案ABCD