查询词典 arithmetic data

In PL/1, a characteristic of arithmetic data,real or complex.

在PL/1语言中，表示算术型数据的特性，实型或复型。

using the c language programming to be in progress when secretly scheming against often may produce problem because of not paying attention to a type change , when using the division arithmetic magic figure especially, change , lead to thereby arithmetic result block of wood rightness or insufficient problems of accuracy often because of not paying attention to the arithmetic data type.

使用c语言编程进行计算的时候常常会因为不注意类型转换产生问题，尤其是在使用除法运算符"/"的时候，经常因为没有注意运算数据类型转换，从而导致运算结果不正确或着说是精度不够的问题。

Based on the characteristic of multi resolution of wavelets analysis, a effective method for displaying any cross section from coarse to fine resolution is presented; Based on OpenGL, the paper improved Ray-Casting arithmetic and footprint arithmetic considering the characteristic of seismic data; After introducing the characteristic of geology data and the process of seismic interpretation, the paper presents a theory frame of 3D geological interpretation software and partly realize the frame.

本文首次利用小波变换实现了三维地震数据体的快速多分辨率显示；针对地震数据体的特点，提出了基于OpenGL的改进光线投影法的快速算法及改进的脚印算法；实现了地震数据体的切割、面状地质体的构造及面状构造与地震数据体的联合显示，动画效果的形成等三维地震数据体显示效果；分析了三维地质体的特点及常规地质解释过程的特点，提出了三维地学可视化软件的体系结构，并实现了其中主要功能，取得了良好的效果。

This invention provides an on-line analysis method and system for combined gas and steam cycle power station's efficiency, which comprises an on-site data-collecting unit, used to check the sub-devices state parameter in power station; a data base server linked to on-site data-collecting unit to stored the state parameter provided by data-collecting unit; modular arithmetic server used to calculate the gross operation efficiency of power station based on the data base state parameter and the influence degree caused by sub-devices property to the gross operation efficiency; client device to receive command input by clients and output the calculating result by modular arithmetic server.

本发明提供一种燃气―蒸汽联合循环发电站运行效率的在线解析方法和系统，在线解析系统包括：现场数据采集单元，用于测量电站各分设备的状态参数；与现场数据采集单元相连的数据库服务器，用于存储现场数据采集单元测量得到的状态参数；模型运算服务器，其根据从数据库提取的状态参数并计算电站的总运行效率和当前状态下电站各分设备性能对电站总运行效率的影响程度；客户机，其接收用户输入的命令并输出模型运算服务器的计算结果；网络，其将数据库、模型运算服务器和客户机连接在一起。

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。

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。

It\s needed to do more data processing such as inside and outside boundaries recognition, facular radius compensation, scanning and path planning to generate process control data. The STL file should be translated into CLI file, then into SMP file. In order to satisfy with the request of initial system, I inject some new arithmetic in the transformation, including inside and outside arithmetic and processing compensation arithmetic.

从三维建模到切片处理，再到扫描处理，最后得到层片的扫描路径文件，其中需要对截面轮廓进行诸如内外轮廓识别、工艺补偿、扫描及加工路径规划等一系列的工艺数据处理，文件的转化过程为从 STL 文件到层片文件，再到加工路径文件，为了满足制作化学芯片的一些特殊要求，在转化过程中加入了一些新的算法，内外边界识别算法和工艺补偿算法。

Association rule is an important content in data mining, efficient arithmetic is the most important part of data-mining 昺odel, especially when facing the complicated and various demands, it is necessary to propose characteristic and complementary arithmetic according to different factors. The paper analyses elaborately the idea of association rule mining arithmetic based on constraints, studies the classes of constraints in order to confirm its utility. The arithmetic aiming at united variable constraints improvement strategy and exchange of complication aggregation constraints has been designed, the practice has proved that it is effective.

关联规则是数据挖掘研究的重要内容，高效的算法是数据挖掘的重要组成部分，而且面对复杂的多方面的需求，应提供针对各种因素的各具特色的互补的多种算法，本文详尽地研究了基于约束的关联规则挖掘算法的思想，深入地研究了约束的分类、确定其可利用的性质，在此基础上提出了针对联合约束中前驱和后继重叠时的改进策略和复杂聚集约束的转换方法。

The principle of system design is as follows: At first, compartmentalizing the arithmetic of sterovision measurement. We use FPGA logic units Customized hardware blocks to implement the arithmetic which is simple and large data-computing, and the data is transferred on pipeline between each blocks, otherwise, use software program in NiosⅡ to implement the complicated and small data-computing arithmetic. So the system is high-speed and flexible.

系统设计的基本思想如下：首先针对视觉测量算法进行划分，对算法简单、数据处理量大的部分用 FPGA逻辑单元自定义硬件模块的方法实现，各硬件模块之间数据采取流水线操作；算法复杂、数据处理量小的部分则在 Nios II软核中用软件的方法实现，从而使本系统既具速度优势又具良好的灵活性。

In the chapter of Data Minings really application of Data Mining, it discuss of how to develop the VOI of Web by using clustering arithmetic and relationship arithmetic.

在数据挖掘的具体应用一章中，用了聚类算法和关联分析算法对提高网站的访问率进行了具体的论述。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。