速度等于距离与时间之比。

Speed is the ratio of distance to time.

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速度是距离的改变与时间之间的比率。

Speed is the rate between the change of distance and time.

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特征反应时间随射流速度的变化斜率与燃气流量相关。

The slope of the time scale is related to the gas velocity.

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特征反应时间随射流速度的变化斜率与燃气流量相关。

The slope of the time scale is related to the gas velocity.

youdao