求翻译：采用线性四轮独立转向系统，各个车轮可以在-90°~90°内转动。驾驶者根据自己的意图设置轮子的转向角度，当设置如图示角度使得轮子运动轨迹为一个整圆，可以保证车子原地转向。是什么意思？

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A linear 4-Wheel independent steering system, each wheel can be - 90 degrees to 90 degrees of rotation. Driving, based on their intention of setting wheel steering angle, and when it is set as shown in the Angle wheel track as a whole, and to ensure that the car drive wheels.

Uses the linearity four turn independent steering systems, each wheel may in - 90°~90° in rotate.The driver acts according to own intention to establish the wheel to change the angle, when establishes like the graphical representation angle to cause the wheel path is a circle, may guarantee the vehi

Using a linear four wheel steering system, each wheel can rotate-90 ° ~90 °. Drivers according to the intention of setting the steering angle of the wheels, setting angle as pictured making the wheel trajectory for a full circle, guaranteed car parking maneuver.

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