二次项
网络释义专业释义
... quadratic variation 二次变分 quadratic 二次方程式；二次项；二次的；平方的；象限的；方形的 quadratin free number 无平方因子数 ...
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二次项效应 second order effect
格式二次项 format secondary
二次项改正 second dimension
二次多项式 [数] quadratic polynomial ; second-degree polynomial ; nd Order Polynomial
二次置换多项式 QPP
二次供水项目 Second water supply project
二次齐次多项式 [数] quadratic homogeneous polynomial
二次多项式重建 quadratic polynomial reconstruction
二次多项式重构 quadratic polynomial reconstruction
双语例句原声例句
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本文将非线性观测值函数泰勒级数展开，并取至二次项，得到线性一二次项形式。
This paper expands the non-linear observation function in Taylor's series, takes to the quadratic term and obtains the form of the linear-quadratic term.
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另一方面又利用矩阵理论等推导出含有二次项的非线性函数的协方差传播公式的矩阵形式。
On the other hand, it also derives the covariance propagation formula of non-linear function containing quadratic term in matrix form using the matrix theory etc.
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在略去高于磁场强度二次项的情况下，从实验结果计算出立方对称晶体唯象公式中的诸参数。
Neglecting magnetic intensity higher than quadratic terms, various parameters in phenomenological formula for cubic symmetry crystal are calculated from our experimental data.
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If you knew only the third derivative of the function, you can have something quadratic in t without changing the outcome.
如果方程里有三阶导数,你就可以引入一个二次项,但是结果却不会变
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If you're taking two derivatives you can add a constant and something linear in t.
如果你要二次求导,你可以添加一个一次项和常数项
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The acceleration gives you an extra stuff, quadratic in time.
加速度对位移有额外贡献,是时间的二次项
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