When the soil bulk density water content is between 15% to 45%, the calibration curve is approximately a straight line, and the intercept and slope are only influenced by the above factors.

当土壤容积含水量为15 ~ 45%时，校正曲线近似为一直线，其他因素只改变直线的截距或斜率。

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The constant a represents the vertical intercept, and b represents the slope of the consumption schedule.

常数a表示垂直截距，b表示消费计划的斜率。

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In the case of graphs and equations, it includes making quick judgments about where lines should intercept the axes and about their slope, even when that is not at all obvious.

在图表和等式方面，即使当一切不明显，也能对行应在哪里截距轴心和倾斜度上作出迅速的判断。

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