【单选题】MF MSI radiotelex is on the frequency of ____.
【单选题】Which frequency band does the 518 kHz belong to?
【多选题】导游人员在接待宗教旅游者时,在导游讲解与其交谈中应注意的问题有( )。
【单选题】The frequency 518kHZ will be used to transit ________and ______warnings in
B.
traffic/meteorological
D.
navigational/meteorological
【多选题】导游人员在接待宗教旅游者时,在导游讲解和与其交谈中应注意的问题有()。
【单选题】The frequency 518khz will be used to transmit___and___warnings in NAVTEX
B.
traffic/meteorological
D.
navigational/meteorological
【单选题】The operating frequency employed in Chinese NAVTEX service is
【单选题】The frequency 518kHZ will be used to transmit ________and ______warnings in NAVTEX.
B.
traffic/meteorological
D.
navigational/meteorological