这就是一个抛物线方程。
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。
It's a second-order equation in x, and is a parabola and a parabola has this shape.
并提出了旋转抛物线方程算法，实现了目标任意角度雷达散射截面的快速计算。
The rotated parabolic equation method was presented to compute the bistatic radar cross section (RCS).
本文将分别对双曲线、抛物线的参数方程阐述几何意义(见例2、例3)。
This paper describes the geometric meaning for the parametric equation of hyperbola and parabola, respectively (see examples 2 and 3).
应用抛物线方程，即可得到板内任意点的剪应力。
Using the equation of parabola, we obtain for the sheer stresses at any point in the plate.
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；
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.
建立能量平衡方程、钢坯导热微分方程、氧化层生成线性和抛物线增长的组合方程。
Energy balance equation, differential equation of heat conduction and combination of linear equation and parabolic equation of oxygen-layer forming are established.
抛物线方程（PE）是波动方程的一种近似形式，它假设电磁波能量在沿着抛物线轴向的锥形区域内传播。
The Parabolic Equation method (PE) is an approximation of the wave equation, which models energy propagating in a cone centred on a preferred direction, the paraxial direction.
抛物线曲线对应一个二次方程序曲线。
径流含沙量与土壤前期水分之间的关系呈近似一元二次方程抛物线变化，荒漠草原坡面土壤流失最少的前期最优土壤含水量值为17.5%。
The relationship of sediment content and antecedent soil moisture showed the parabolic trend. In desert grassland, the soil moisture is 17.5% in the early time of surface soil loss.
文章推导了三维标准的抛物线方程及相应的近场-远场变换理论，并计算了理想导体球的雷达散射截面；
In the paper, the three-dimensional standard parabolic equation(SPE) and near-to-far-field transformation are deduced, and the radar cross section(RCS) of a perfectly conducting sphere is calculated.
在线性加载的情况下，考虑了扰动区土体水平渗透系数抛物线变化以及桩周土体的径、竖向组合渗流，给出了该问题的控制方程以及解答。
OADC with consideration on the gradual variation of horizontal permeability of soil in disturbed zone is greater than the one without considering the horizontal permeability variation.
在线性加载的情况下，考虑了扰动区土体水平渗透系数抛物线变化以及桩周土体的径、竖向组合渗流，给出了该问题的控制方程以及解答。
OADC with consideration on the gradual variation of horizontal permeability of soil in disturbed zone is greater than the one without considering the horizontal permeability variation.
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