Linear equation with one unknown, parabolic equation and nonlinear damped vibration equation well fit to describe the dynamics of Lou soil buffering rate or value.
一元线性方程、抛物线方程及非线性阻尼振动方程对描述土壤缓冲速率及缓冲量动力学具有适应性；
The equation among Lou soil and Heilu soil urease activity and time and their buffering values is quadratic linear regression equation.
土娄土、黑垆土脲酶活性与时间及土壤缓冲量之间的关系为二元线性回归方程。
In order to reduce water loss and soil erosion and increase the buffering power of soil against rain water, the cultivation crossing to mountains is adopted for hilly lands.
为了减少水土流失和增加土地对雨水的缓冲力，对于山坡地都采用横山向耕种。
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