当交叉定位点用NDB/NDB确定时,两条方位线之间的夹角不得小于()。
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SecondOfficer,giveone()(长声).
A. blast
B. shortblast
C. prolongedblast
D. prolongedblasts
()(所有船员)mustknowthelocationsaswellastheoperationsofthelife-savingandfire-fightingappliances.
Allofficers
B. Allengineers
C. Allthecrew
D. ABandC
VOR/DME定位时,如果VOR与DME不在同一处,则径向线与过定位点的DME弧半径之间的夹角不应大于().
A. 23°
B. 30°
C. 45°
()(停顿)forawhilewhentheboatleavesthesurface.
A. Halting
B. Halt
C. Adjust
D. Heave