A、Send a DSC cancellation message on Ch-70 B、Make a voice announcement to cancel the alert on Ch-16 C、Make a voice announcement to cancel the alert on Ch-13 D、Make a voice announcement to cancel the alert on Ch-22A
A、center of buoyancy B、center of flotation C、uncorrected height of the center of gravity of the vessel D、center of gravity of the vessel corrected for free surface effects
A、volume of liquid in the tank B、volume of displacement of the vessel C、location of the tank in the vessel D、height of the center of gravity of the vessel
A、the raising of the standards of teaching and the reform in curriculum B、the raising of the standards of teaching and learning and the restructuring of the schools C、the raising of the standards of teaching and the improvement of the standards of learning D、None of the above
A、Number of drives X capacity of the smallest drive B、(Number of drives 2) X capacity of the smallest drive C、Number of drives X capacity of the largest drive D、(Number of drives 1) X capacity of the smallest drive