一个单轴手柄可以定义向右运动、向左运动和不动的状态。
A single-axis joystick has states to define motions to the right, to the left, and with no motion.
一辆汽车有两个运动自由度，在司机的指引下汽车还可以向左转向右转。
A car, under the direction of its driver, has two freedoms motion, it can also turn left or right.
科里奥利效应：科里奥利力作用下的明显结果，尤指地球上运动着的物体在北半球向右偏移，在南半球向左偏移。
The observed effect of the Coriolis force, especially the deflection of an object moving above the earth, rightward in the northern hemisphere and leftward in the southern hemisphere.
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