布尔代数上保序对合映射与对称运算等价；
The order-preserving doubly mapping on a Boolean algebra equivalents to symmetry operation;
现代运算放大器有某种方式的推挽式的输出级，许多也是不对称的，并且某一方向的压摆率有比其它方向的有更大的倾向。
While all modern op amps have push-pull OUTPUT stages of some sort, many are still asymmetrical, and have a greater slew rate in one direction than the other.
把对称差应用到事件的运算中，得到一些特别的结论，可以简捷地解答一些概率问题。
By applying symmetric difference to the operation of events, we can draw some special formulas and solve some probabilistic problems simply and directly.
给出了一种加密速度快，安全性高，加密算法和解密算法相同，且不需进行算术逻辑运算等特点的对称加密算法。
A quick and safe encryption arithmetic of symmetry is proposed, which has the same arithmetic in encryption and decryption without arithmetic logical operation.
本文给出了较简便的运算方法，该方法具有一般性，能解决一类球对称中心力场的许多问题。
In this paper, a simple method of calculation is given, the method is common and can solve some questions of central force field of spherical symmetry.
使用矩阵运算代替对称分量法的传统序网故障变换，以实现不对称短路故障计算，并给出常见故障对应的参数矩阵。
Calculation formulas are proposed with matrices calculation to deal with unsymmetrical faults and parameter matrices for various faults are listed.
提出一种基于数字存储模式的PWM调制方案，讨论其非对称规则采样原理，给出宜于在线运算的简便算法。
This paper presents a PWM scheme based on digital memory mode and discusses its asymmetric regular sampling principle and simple on -line algorithm.
讨论一种PWM的非对称规则采样原理，给出宜于在线运算的简便算法。
This paper discusses an asymmetric regular sampling principle and simple online algorithm of the PWM.
该报表工具能够设计出多源分片、不规则分组、动态格间运算和行列对称等特征的复杂报表。
The report tool can design reports with multiple sections using multiple data sources, irregular grouping, dynamic calculations between cells, as well as row and column symmetry.
本文证明了球面有限点集的伪对称性可以完全由其特征多项式的根来刻画，并得到了在度量加运算下伪对称性具有封闭性。
In this paper, we show that the Pseudo-Symmetric property of spherical point set can be characterized by the eigen values of eigenpolynomial and it has the closeness under the metric sum operation.
为提高其重建速度，提出了一种利用对称性并结合递归技术的方法来减少该算法的反投影运算量。
To improve its reconstruction speed, a method combining symmetry with recursion technique to reduce backprojection calculation is presented.
本文定义了模糊关系的自反闭包、对称闭包概念，同时给出了模糊关系的自反闭包、对称闭包的运算方法及性质。打破了在原有的模糊关系只有传递闭包的局面。
This paper gives a new concept of reflexive closure of fuzzy relation and symmetric closure of fuzzy relation, and also gives operation method and properties about it.
高阶矩阵运算和存储量都特别大，为了减少运算和存储量，本文讨论了稀疏矩阵、单位矩阵、对称矩阵的存储方法。
Calculation and storage are trouble for high level matrix. For the sake of these problems, the storage method of the sparse matrix, unit matrix, symmetry matrix are discussed in this paper.
应用真值矩阵分析逻辑电路具有直观、简便的优点，并可由其运算结果导出一些对称三值逻辑运算的恒等式。
Application of truth matrix to analyze a logic circuit is intuitive and simple, and the results may lead to the derivation of some identical relations of certain symmetrical ternary logic system.
设计了对称乒乓RAM结构，提高了FFT处理器的连续运算能力和运算速度；
The computing capacity and computing speed of FFT processor has been improved due to the Symmetrical structure of ping-pong RAM.
与TCG的密码方案相比，可信密码模块（TCM）引入了对称算法，并采用ECC作为签名算法，在减少密钥存储空间的同时，提高了密码算法的运算速率。
Compared with TCG's design, TCM reduces the storage space of keys and speeds up cryptography's work by adding symmetrical arithmetic and ECC arithmetic.
与TCG的密码方案相比，可信密码模块（TCM）引入了对称算法，并采用ECC作为签名算法，在减少密钥存储空间的同时，提高了密码算法的运算速率。
Compared with TCG's design, TCM reduces the storage space of keys and speeds up cryptography's work by adding symmetrical arithmetic and ECC arithmetic.
应用推荐