1·By 1545, Gerolamo Cardano compiled the works related to the quadratic equations.
到1545年，卡达诺编写了有关二次方程的著作。
2·Both vegetables and quadratic polynomials are made more interesting with the Mandelbrot set. The formula explains the repeating complexity of broccoli heads like this one.
有了曼德尔勃特集合，蔬菜和二次多项式都变得有趣多了。这个方程序表现了类似图中的花椰菜菜籽的重复的复杂性。
3·Both vegetables and quadratic polynomials are made more interesting with the Mandelbrot set.
有了曼德尔勃特集合，蔬菜和二次多项式都变得有趣多了。
4·The quadratic equation may have instilled horror in many of us.
对很多人来说，二次方程是很恐怖的。
5·Then they can happily abandon the drill in long division and quadratic equations.
然后他们才会高兴地摆脱长除法和二次方程的练习。
1·And then C has a very small quadratic rise, followed by the exponential rise to saturation that you'd expect. So C is approximately a0 times one minus e The rate constant k2 dominates the long times.
然后C有一个很小的二次方的上升，接着指数的上升直到你预期的饱和,那C约等于A0乘以1减,的负k2乘以时间次方，e，to，the，minus，k2，times，time。,速率常数k2长时间地起主导作用。
2·Often we encounter equations which can be solved by methods applicable to quadratic equations, even though these equations are not actually quadratic.
我们经常会碰到一些方程序，它们可以用适合于二次方程序的方法来解，即使这些方程序实际上并不是二次的夜没关系。
3·For instance, in order to use the quadratic formula you must have the quadratic in standard form first.
例如，为了使用二次方程式，你需要知道标准的二次平方式。
4·The theoretical and actual gas production was reduced at high saponin levels, and there were significant linear and quadratic patterns between gas production and gypenoside levels.
高剂量绞股蓝皂甙降低了微生物发酵的理论与实际产气量，并呈显著的线性和二次方效应，产气速率与皂甙剂量之间有着显著的线性效应。
5·Using quadratic and cubic bezier curves can be quite challenging, because unlike vector drawing software like Adobe Illustrator, we don't have direct visual feedback as to what we're doing.
使用二次方和三次方的贝塞尔曲线是相当有挑战的，因为不像在矢量绘图软件Adobe Illustrator里那样有即时的视觉反馈。
1·Having adopted the quadratic approximation of potential, we can solve the equation and get the approximately analytical solutions of Gaussian typed breath mode.
对势函数采用二阶近似后，求解此方程得到高斯型呼吸模式的光束宽度的近似解析式。
2·The dynamics of vectorial coupled-mode solitons in one-dimensional shallow grating photonic crystals with quadratic and cubic nonlinearities is discussed.
研究同时具有二阶和三阶非线性效应的一维浅栅光子晶体中的矢量耦合模孤子动力学。
3·That is, a succession of inequations can be obtained directly by using convex functions or quadratic derivative symbols in calculous.
利用凸函数或微积分中二阶导数符号可以直接给出一连串不等式。
4·The three-dimensional boundary element method for elastic materials was extended to develop a fast multipole expansion formulation of the fundamental solutions for quadratic elements.
在三维弹性力学边界元法的基础上，推导出二阶单元的基本解快速多极展开格式。
5·With quadratic lagrange equation, large , medium and small of kinds differential equation of movement are established;
利用二阶拉格朗日方程，建立起大、中、小三类提升机的运动微分方程；