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单词 average of a rate of a quantity
释义
average of a rate of a quantity

Mathematics
  • The constant value for which the total change in the interval would have been the same as that observed. For example, a car may vary its instantaneous speed in the duration of a journey, but the average speed = total distance travelled/time of journey. In the case of velocity, the average is a vector, namely total displacement divided by total time taken.


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