卫星信号加上轮速传感器的速度输入以及仪表所示的方向，就能确定汽车的位置，即使它在开动中。

The satellite signals, along with inputs on speed from a wheel-speed sensor and direction from a meter, determine the car's position even as it moves. (CET-6, 2002.1

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詹姆斯来回开动车子，企图在狭窄的停车场里找到合适的位置。

James moved the car backward and forward in his attempts to fit it in the narrow parking space.

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詹姆斯来回开动车子，企图在狭窄的停车场里找到合适的位置。

James moved the car backward and forward in his attempts to fit it in the narrow parking space.

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