查询词典 derivative

A differential circuit has been designed and applied to measure the second derivative of \%I-V\% characteristic on lin.

在相同的放电条件下，使用自行设计的微分电路，对探针特性二次微商进行在线测量。

A differential circuit has been designed and applied to measure the second derivative of \%I-V\% characteristic on lin...

这两种方法得到的二次微商结果能够较好地符合。

The exponent of the derivative of highest order in a differential equation in standard form.

次：标准形式下的微分方程里最高次序的微商的幂

Now let's discuss the solution of differential equation of the form y=f, and assume the function f has continuous partial derivative.

1现在讨论型如y=f的微分方程的解，这里假设函数f有连续的偏导数。

The boundary value problem for first-order differential equations with a parameter refers to the finite solution condition of equation which includes unknown quantity and its first-order derivative that not only relies on interval value but also relies on the parameter of the equation,which is always settled by fixed point theory or successive approximation method.

含一个参数的一阶微分方程边值问题是指：含有未知量及它的一阶导数的方程的定解条件不仅依赖于在区间端点的取值，而且依赖于方程中的参数。通常它用不动点定理或逐步逼近法来解决。

Numerical differentiation is that derivative value of a function at a certain point is approximately solved in discrete method.

中文摘要：数值微分就是用离散方法近似地求出函数在某点的导数值，关于数值微分已有许多求解方法，但这些方法都有各自的局限性，并且关于高阶导数近似逼近的方法研究相对较少。

In this paper, on the basis of predecessor research,β-diketone derivative ligand, Pyrazolyl ligand and their eight transition metal complexes were synthesized.

本论文是在前人研究的基础上选择合成并表征了一种β-二酮类配体和一种多吡唑类配体及其八个过渡金属配合物，并解析了它们的单晶结构，进行了元素分析、红外光谱、紫外光谱等表征，并研究了它们的发光性能和热稳定性能。

The relationship between generalized directional derivative and contingent cone is presented.

给出了广义方向导数与切锥之间的关系。

The gradient of f; its dot product with is the directional derivative of f in the direction of w .

f的梯度；它与的内积为f在 w 方向上的方向导数。

Again with an algorithm that has no explicit recourse to the directional derivative and for which ranking information is sufficient.

这是又一个不需要直接导数的算法，秩信息已经足够。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。