查询词典 null algebra

As an example of the application of some knowledge of Linear Algebra,this paper discusses the application of an invertible matrix in secure communication,some basic problems of this application,and the solutions to these problems.

作为工科&线性代数&课中相关知识的一个具体应用的例子，从理论与实践相结合的角度论述了可逆矩阵在保密通信中的应用及其存在的问题与对策等。

The word algebra comes from the title of a Persian mathematician's famous 9th century treatise "Kitab al-Jabr Wa l-Mugabala" which translates roughly as "The Book of Reasoning and Balancing."

代数这个词最初来源于一位波斯数学家在9世纪发表的一篇论文的题目，大约可以翻译成&推理和权衡&。

The modal logic S5, viewed as a theory in S4, is a model of monadic Boolean algebras in the same way that S4 is a model of interior algebra.

模态逻辑 S5，被看作 S4 中一个理论，是一元布尔代数的模型，如同模态逻辑 S4 是内部代数的模型。

How utilize that algebra method record message address through a muter , and how utilize record information in message reconstruct path is emphases of discussion .

重点讨论了如何运用代数方法记录报文流经路由器的地址，以及利用报文中记录的信息重构路径使ISP部署相关策略对这些范围的主机加以防范。

In this paper,we study the period of the processing of the multi-input series production lines using the method of max algebra ,the computational algorichm of production period for multi-input production lines and a batch of produetion on nonblocking are given.

利用极大代数方法讨论了多入口串行生产线的生产周期问题，给出在无阻塞控制下的多入口串行生产线生产周期的计算公式及其批量加工生产时的周期公式。

The necklace Lie algebra plays an inportant role in the; noncommunication geometry .

目前对项链李代数的结构还没有太多的研究。

U(4) algebra is very suitable to describe triatomic molecules, for their Fermi interaction can be described by using nondiagonal matrix elements of Majorana operator.

在研究多原子分子的李代数方法中，尤以U(4)代数适合描述三原子分子，这不仅仅是因为U(4)代数完全描述的是三维情形，物理图象更加清晰直观，而且，U(4)代数的Fermi相互作用可以由Majorana算子的非对角元素给出，不需要再引进另外一个代数。

The image reconstruction algorithms is thoroughly researched. The Filter Back Projection , Algebra Reconstruction Technology and fan beam data rearrangement algorithm used in medical computer tomography are improved. The NOSER algorithm, linear neural networks method and Hopfield neural networks method are presented and gain the better result of image reconstruction.

深入研究了图像重建算法，改进了医学CT的滤波反投影算法、代数重建技术和扇束投影数据重排方法，提出了带图像光滑约束的NOSER算法、线性神经网络方法和Hopfield神经网络方法，并得到了较好的图像重建结果。

If you want to be a draftsman, a machinist, a molder, or a patternmaker, you'll need algebra and geometry and even trigonometry.

如果你想成为手工艺人、缝纫工、造型工或制模工，你需要代数和几何，甚至三角。

Plutella year as a result of rampant development was very short, algebra and more frequent pesticide use, fast development of resistance, chemical pest control has become a major problem.

由于小菜蛾常年猖獗，发育期短，代数多，农药使用频繁，抗药性发展极快，已成为该虫化学防治的一大难题。

Although translator has turned from being a crystal ball by which the original culture can unrestrainedly penetrate to another crystal ball by which the target culture can freely traverse, the translator's personal embodiment, in the process of cognitive act, are still absent in translation studies. Translators are still subjects without body or simply disembodied subjects.

译者虽然由原语文化可以自由穿透的玻璃球变成了译语文化可以自由穿越的玻璃球，但译者认知过程中的个体体验在翻译研究中依然缺席，译者依然仅仅是一个没有躯体体验的主体。

Chillingly, he claimed our technology is 'not nearly as sophisticated' as theirs and "had they been hostile", he warned 'we would be been gone by now'.

令人毛骨悚然的，他声称我们的技术是'并不那么复杂，像他们一样，和"如果他们敌意"，他警告说，'我们将现在已经过去了。