查询词典 Domain Name System

The 2-D bilinear transformation digital circuit from 1-D analog domain to 2-D discrete domain has been presented, which can ensure the exact realization of 1-D to 2-D bilinear transformation.

将此二维双线性变换数字电路用于2-D跳耦型数字滤波器的电路中，即可获得一种新的，稳定的二维数字滤波器实现。同二维波数字滤波器一样，2-D跳耦型数字滤波器亦以1-D无源LC双端接载梯型滤波器为导出原型。

The paper designs and implements an effective monitoring tool for inter-domain routing stability,which analyzes the basic point based on binary group of or prefix according to routing updates and can reflect the status of inter-domain routing stability.

设计并实现了一种有效的域间路由稳定性监测工具，在更新消息层面上针对二元组或前缀为基点展开分析，多方面反映了域间路由稳定状况。

In the case of long sample records, a new algorithm based on the Blackman windowing operation in time domain and interpolation in frequency domain is proposed.

针对这一研究课题，本文结合测量领域内的实际应用对基于DSP技术的噪扰谐波信号处理方法进行了理论研究和实验分析，主要贡献包括： 1。

On the basis of the frequency domain Born approximation theory of the scattering of two dimentional elastic waves, the time domain Born approximate solution to the scattering of elastic wave s with arbitrary frequencies is derived.

在二维弹性波散射频域Bron近似解的基础上，通过Fourier变换，推导了任意频率平面P波组合的脉冲波入射二维散射系统时，散射场的时域Born近似解。

This paper reviews the theory of complete Bouguer correction and the terrain correction in the space domain and frequency domain, and suggests an integrated method applied to the practical work which shows good result.

本文总结了完全布格校正的理论，从空间域和频率域的角度对中间层和地形校正的方法作了介绍，并引入了一种综合的方法且将之运用到了实际的工作中，并取得了很好的效果。

In this paper, several kinds of Impedance Boundary Conditions used in frequency domain and time domain are investigated.

本文主要研究了频域和时域的几类阻抗边界条件的推导与应用。

At last, it is proved for the two systems that when the control domain U is a bounded, closed set, the reachable set is the same as that when the control domain is the convex of U.It is an advancement for original results.

最后证明了当控制区域U是有界闭集时上述两个系统的等时区域与控制区域是U的凸包时的等时区域相同，推广了有限维的结论。

In[5],combining the algebraic topology method,we have proven that conjunction matrix is complete topological invariant of bounded closed domain in plane under F-homeomorphism.so,for any two bounded closed domain in plane ?

主要原因在于拓扑不变量通常比较难算，没有比较实用的方法来恰当地提取图形的拓扑不变量，尤其是对较复杂的图形而言更是困难重重。

Thirdly, we will concentrate on the multiplicity of the positive and minimal sign-changing solutions of the following quasilinear equations with Hardy-Sobolev critical exponent in bounded domain By Lusternik-Schnirelmann category theory, we showthe relation the number of positive solutions with the topology of the domain.

再次研究有界区域上具有Hardy-Sobolev临界指数的拟线性方程的正解与极小变号解的多重性，运用Lusternik-Schnirelmann理论，给出方程正解与区域的拓扑性质的相关性。

The buffeting of bridges can be analyzed in frequency domain and in time domain.

桥梁的抖振分析，有频域和时域两大类方法。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。