[电] 距离阶波

range step的用法和样例：

例句

The derivative of the step is the impulse.阶梯的导数就是脉冲。
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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Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到听力原文收集区，您将会获得 10 到 30 积分的奖励 ! Thank you ！

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be under compulsion to

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boehmeria biloba wedd.

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candle-tree