Propulsion is provided by a rocket engine, rather than a propeller and rudder, which makes steering difficult.
推进器是由火箭发动机提供的，而不是螺旋桨和方向舵，这使得转向变得困难。
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The test program will operate the permanent magnet propulsion motor up to full power (full torque and full load) in a test facility that simulates an actual U.S.Navy DDG-1000 engine room.
The test program will operate the permanent magnet propulsion motor up to full power (full torque and full load) in a test facility that simulates an actual U.S. Navy DDG-1000 engine room.