该系统提供车辆速度的电子读数。
The system provides a digital readout of the vehicle's speed.
仪器的测量速度常常表达为在给定的仪器工作条件下每秒钟内的读数数目。
When specified, measurement speed is usually stated as a specific number of readings per second for given instrument operating conditions.
你可以根据一个速度表上指针的读数来定义一辆机动车的超速，但是你可以用这种方法来定义噪音超标吗？
You Can define the excessive speed of a motor-car in terms of a pointer reading on a speedometer. But Can you define excessive noise in the same way?
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