0 a flat piece of wood or metal at the back of a boat or aircraft, moved from side to side in order to control the direction of travel -- 舵；方向舵
Ethical theories and casuistic procedures may be the "compass, chart, and rudder" of moral navigation, but by themselves get us nowhere.
Rigging was certainly an important element and there are indications that stern rudders and the construction of the hull had an impact as well.
Two fixed-pitch propellers, two semi-balanced rudders, and three forward and three aft thrusters provide high manoeuvrability.
Rudder addresses element compositions and coordinations using agent cooperations, interactions, and negotiations.
The airship was undamaged except for the rudder.
In other words, an element of stability offers a psychological rudder for navigating the life-affecting results of the match process.
It has been named the 'amoebot' and it has no propeller or rudder, but instead relies on a series of water-filled balloons to move and steer itself along.
Rudder characterizes how agents discover, select and compose elements, and defines agent interaction and negotiation protocols to enable appropriate application behaviours to be dynamically negotiated and enacted.
