Inmarsat-F MES keep tracking a satellite according to
A: the change of gyro
B: the change of ship's heading
C: the direction sending from the LES
D: the signal strength received from the common TDM channel
A: the change of gyro
B: the change of ship's heading
C: the direction sending from the LES
D: the signal strength received from the common TDM channel
举一反三
- 157. The Inmarsat-B MES keep tracking a satellite according to A: the change of direction B: the change of GRO C: the change of heading D: the signal strength received from the NCS common signal channel
- What’s the ship’s heading? Ship’s heading is the direction where ___
- By what is the direction of the ship controlled?() A: The bridge B: The steering gear C: The rudder D: A signal from the bridge
- The economy's inflation rate is the（ ）. A: change in the gross domestic product from the previous period. B: percentage change in the price level from the previous period. C: price level in the current period. D: change in the price level from the previous period.
- The inertial platform is mainly used A: to prevent the ship or plane from moving off course. B: to send information from the ground control unit. C: to maintain the speed of the ship or plane. D: to prevent a change in the systems orientation.