range step

 
       
  • 距离阶梯

range step的用法和样例:

例句

  1. The derivative of the step is the impulse.
    阶梯的导数就是脉冲。
  2. After processing, the sensitometrically exposed step wedge is read on a densitometer and the data is plotted.
    加工完毕后,即用密度计对试验胶上复制的阶梯级谱的密度进行测定,然后用测得的数据作图。
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