The position of the POR satellite in the Inmarsat system is()above the equator.
A、55.5W
B、64.5E
C、15.5W
D、178E
A、55.5W
B、64.5E
C、15.5W
D、178E
A、horizontal position of the boom B、vertical position of the boom C、horizontal position of the load being lifted D、vertical position of the load being lifted
A、adjusting the position of the intermediate bearing B、changing the position of the main engine installation C、adjusting the center line of the propeller D、changing the position of the thrust block
A、The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability B、The point to which G may rise and still permit the vessel to possess positive stability C、The sum of the center of buoyancy and the center of gravity D、The transverse shift of the center of buoyancy as a vessel rolls
A、the openness of the mouth B、the position of the tongue C、the shape of the tip D、the width of the vowels
A、In positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearly B、In positions in which the noises in the ship are much likely to interfere with the hearing of a fog signal C、In positions in which the hearing of a signal is reduced to a minimum D、In a position in which the man can see clearly
A、The cursor is only protected from updates and deletes by concurrent applications. B、The row is only protected from positioned updates and deletes that reference another cursor of the same application. C、The cursor is protected from positioned updates and deletes that reference another cursor of a different application. D、The row is protected from updates and deletes by the current application and from positioned updates and deletes that reference another cursor of the same application.
A、The breath of the tank B、The length of the tank C、The amount of liquid in the tank D、The position of the tank in relation to the center line of the vessel