你知我知 » Did you know that I know 二阶方程 » Second-order equation 表11 种薯切面朝向及化肥施用方式对马铃薯出苗的影响试验出苗率 » Table 11 seed potato slices and chemical fertilizer applic...
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pseudo-second-order equation 假二级方程式
nonlinear second-order equation 非线性二阶方程
second-order differential equation [数] 二阶微分方程 ; 二阶微分方程式 ; 微分方程 ; 二次微分方程
second order difference equation 二阶差分方程
The dynamics of leaf area accorded with the curves of second-order equation.
叶面积消长动态符合一元二次方程变化曲线；
It's a second-order equation in x, and is a parabola and a parabola has this shape.
这是一个x的二次方程，也是一个抛物线方程式,抛物线都长这样。
By using a fixed point theorem in cones, we investigate a second-order equation and the theorem of existence of unique positive periodic solution is given.
应用不动点定理，研究了一类二阶时滞微分方程，给出了其唯一周期正解的存在性定理。
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