系统学

Constrained surface and constrained maximum empty-sphere convex polyhedron are introduced to compute triangulation in spatial regions.

1引言空间或平面区域的Delaunay三角化（DelaunayTriangula－tion）广泛应用于数据插值、有限元分析、计算机图形学以及地理信息系统等领域。

The physical meaning of convolution to explain very clearly, it is easy to understand, for there is no signal and the system studied students, is a very good information.

详细说明：卷积的物理意义，解释的很清楚，很容易理解，对于没有学过信号与系统的学生来说，是一份很不错的资料。

The curriculum includes advanced courses in the different fields of the criminal justice system, including law enforcement, corrections, and juvenile justice, as well as courses that will increase the students' understanding of criminological theories and social science research.

课程包括在刑事司法系统的各个领域，包括执法，更正和少年司法，以及课程，会增加学生对犯罪学理论和社会科学的研究了解的高级课程。

The first chapter of this paper explains the development of cryptography, tradition cryptogram, Public Key Cryptosystem and the future of cryptography.

第一章就密码学的发展，古典密码及公开密钥技术进行说明，并对未来密码系统的发展进行了展望。

In this thesis we study existing cryptographic tools and then use them to design more complex cryptographic systems.

在这论文中，我们研究基本的密码学工具，并使用它们来设计复杂的应用系统。

Public key cryptosystem is one of the most important research subject in modern cryptography.

公钥密码系统是现代密码学最重要的研究课题之一。

However, according to cryptography's characteristic, the security of IPSec system relies on its key.

然而，根据密码学的特点，IPSec系统的安全性取决于其密钥的安全。

Real-time chaotic secure communication system synthesize the new research achievement of nonlinear theory, cryptology and communication technology, and it will be applied widely in the field of information security.

由于实时混沌保密通信系统综合了非线性理论、密码学以及通信技术的新成果，将在信息安全中具有广阔的应用前景。

In the present paper,the floristic characteristics,community structure,population structure,spatial distribution and regeneration pattern of Cryptomeria fortunei were analyzed and discussed at 1 100 m on Mt.

运用系统的群落学调查方法对天目山分布于海拔1100m处的柳杉Cryptomeriafortunei群落进行调查，分析其种类组成和群落结构特征，并对柳杉的种群结构和分布格局进行了探讨。

This paper presents systematic derivation and analysis of the law of Hume-Rothery electronic density using crystallography and quantum theory.

本文应用晶体学和量子力学的观点及理论对合金理论中的重要定律——Hume-Rothery电子浓度定律——进行了系统地推导与分析。

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。