微分的

In this paper, a novel composite approach was developed, which was based on the partial differential equation and the fast marching method.

因此，本文提出了一种基于偏微分方程和快速步进法的初始化算法。

In addition, we construct an example in partial differential equations.

最后给出一个在偏微分方程中的例子。

It is a new research field to use partial differential equations in image processing.

将偏微分方程用于图像处理是一个崭新的领域。

This paper studies partial differential equations with delays.

本论文研究含时滞的偏微分方程。

Now,it has become one ofimportant method for numerical solving many kinds of partial differential equations.

现在已成为现代数值求解各类偏微分方程的重要方法之一。

A vector having coordinate components that are the partial derivatives of a function with respect to its variables.

斜率一个矢量，其坐标分量是一个函数对其变量的偏微分

Mathematics A vector having coordinate components that are the partial derivatives of a function with respect to its variables.

斜率：一个矢量，其坐标分量是一个函数对其变量的偏微分

Measurement results indicate that, by changing the control bits in the gain control circuit and differential circuit, the 3-step peak-to-peak voltage amplitudes are 240, 170 and 115 mV and the center frequency of the impulse can be tuned from 3.2 to 4.1 GHz.

测试结果得到通过改变增益控制和微分电路中的控制位，3级输出脉冲电压峰峰值分别为240 mV、170 mV和115 mV，频谱中心频率可调范围为3.2 GHz 至4.1 GHz。

In this paper,the artificial parameter perturbation method and variational iteration method have been applied to nonlinear differential equation with power nonlinearities.

应用人工参数法和变分迭代算法，求解了具有分数阶非线性的一阶常微分方程。

The phase plane method is used for solving the non-linear equations of the gyro throughout this paper.

在求解陀螺地平仪的非线性微分方程时，采用了分区描绘陀尖轨迹相图法。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。