查询词典 modular arithmetic

Note that both arithmetic and non-arithmetic operations might also produce others "non-rounding" errors, such as underflow/overflow, division-by-zero or 'operation errors'.

注意，算术操作和非算术操作都可能产生其它"非舍入"误差，例如下溢/上溢，除 0，或'操作误差'。

In order to improve the BP Arithmetic's study rate, we do some improvement, and get more accurate results. Then we introduce the improved GA which used to improve the BP Arithmetic. Another DM technology--Fuzzy theory which will be used in the Pre-prepare of the load and relative data.

接着用改进后的遗传算法结合改进后的BP算法来改善神经网络的局部收敛性，同时采用了模糊理论的知识，对各种数据进行归一化和修正处理，提高了网络的预测精度和学习效率。

Based on the study of triangle mesh of creation algorithm, include the arithmetic of regular data make triangle mesh and irregular data make triangle mash. The paper put forward a optimized triangle mesh algorithm. Its key point is divide data into pieces in advance, then set up the net. The experiment result shows that this algorithm improves not only the efficiency of terrain molding, but also the precision compared with the old algorithms The main purposes of this paper are research visualization algorithm of three dimensions and the arithmetic of terrain visualization.

本文研究了基于三角形网格的地形建模的基本理论和方法，包括规则数据的三角网生成以及不规则三角网 TIN 的生成算法，总结了前人在这些方面所做的工作，本文提出了一种优化的三角网格生成算法，实验结果表明，该算法不仅提高了地形建模的效率，而且所生成的三角网格模型与以往算法相比精确性也有很大的提高。

After analyzing the great amount data, this paper concludes new arithmetic of better repletion and exactness for the several parameters based on the home and aboard arithmetic study.

论文的主要贡献在于：扩展了示波法的运用范围，与弹性腔模型和心血管流体力学相结合，分析出计算心血管动脉硬化各参数的算法，如脉压、臂动脉顺应性(C2 )、动脉硬化指数、脉搏波传播速度。

High precision format, unstructured dynamic mesh with a large displacement and multi-species gas flows were computationally expensive, the problem of resourceless and inefficient of single computer appeared. Parallel arithmetic based on PC-Cluster system for the oblique detonation wave flow and the muzzle flow include high speed projectile were discussed. The results proved that the rationality of parallel arithmetic provided a new method to simulate the complex chemical reaction flows. The present code represents a validated, efficient and versatile tool developed for the simulation of hypersonic multi-species chemical non-equilibrium flows.

高精度计算格式、化学反应源项的刚性和大位移的运动边界处理都给计算和存储带来了沉重的负担，单机资源不足和计算时间长的问题凸现，利用PC机和局域网资源建立分布存储式并行计算系统，并基于非结构动网格和分区算法开发了复杂化学反应流场数值模拟的并行计算程序，对高速飞行实验弹丸诱导的斜爆轰波流场和含有大位移动边界的膛口燃气射流场进行了并行模拟，有效地缩短了计算时间，扩展了计算规模，为复杂化学反应流数值模拟研究提供了新的手段。

Perform Fractional Arithmetic - This program is a simple integer fraction arithmetic program.

这个程序是一个简单的整数，分数算法程序。

This text mainly research the thinking of embedded software development and the difference between it and desktop software development; has designed every function module of the system in detail; has given the method of developing GIS in eVC++ 3.0 platform, further investigated the arithmetic of the mouse choosing simple polygon and the arithmetic of polygonal algorithm of area by calculating constant points; has compared ODBC, DAO and ADO three data access technology and realized ADO data access; has analysed the precision of GPS and given some methods to improve it.

本文主要研究了嵌入式软件开发的思路及其与台式机软件开发的区别；详细设计了系统的各功能模块；给出了在 eVC++ 3.0 平台中开发地理信息系统的方法，并深入研究了鼠标选取简单多边形和连续点法计算多边形面积的算法；比较了 ODBC、DAO 及 ADO三种数据访问技术的优缺点并给出了 ADO 数据访问技术的实现；分析了 GPS 定位精度并给出了改进方法。

In this paper, by using the method tO get the arithmetic solution and with the formula calcuatring the moving particle trace in magnetic field, corrected be computer, it is easy to get the arithmetic solution, in addition,the result of solving is giv...

本文用求数值解的方法，使用经过计算机修正后的计算磁场中粒子运动轨迹的公式，可以非常迅速、简单地得到带电粒子在磁场中运动轨迹的数值解，并以图像给出解的结果。

On the aspect of urban spatial distribution DM: Adopting the conception model of combination of location and attribute, the author brings spatial coordinates, spatial relationship and attribute character into the unitive model of spatial computation, studies city's land suitableness evaluation and the method of spatial clustering in division of urban function districts and brings forward the arithmetic of classification layer. Aiming at land spatial optimization allocation, the author puts forward SGA. In this arithmetic selection, crossover and mutation operator are progressed on the space.

在城市空间分布数据挖掘方面：采用空间—属性一体化概念模型，把空间坐标、空间关系和属性特征纳入到统一的空间计算模型，分别对城市土地适宜性评价和城市功能区划分中的空间聚类方法进行了研究，并提出了一种分类图层的平滑算法；针对城市土地的空间优化配置，提出了一种空间遗传算法，该算法中的选择、交叉、变异算子都是在空间上进行的；对多要素离散空间场之间的相关性测度，定义了一种基于信息熵的规范的相关指数，并给出了计算方法。

The application of CORDIC(COordinate Rotation DIgital Computing) arithmetic in solving transcendental function has become popular in modern engineering. A brief introduction of CORDIC arithmetic was given in this study.

作为一种快速精确进行超越函数运算的方法，坐标旋转数字计算算法在现代工程实践中获得了广泛应用。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。