data redundancy中文是什么意思

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中文翻译
造句

数据冗余性

data n. 1.资料，材料〔此词系 datum 的复数。但 d ...
redundancy of data 数据冗余性
drr data redundancy reduction 数据冗余缩减量
redundancy in data dictionary 数据词典的冗余
redundancy 裁员，多余；冗余; 超额; 代偿物，多余; 多余性; 多馀观测; 复置装置; 过多; 过剩; 冗余冗余性冗余语句超静定性多余度多余信息剩余度; 冗余,冗余度,剩余度,冗余码,冗余位,多余度,多重度; 冗余的; 冗余度，冗码码，冗余，多余; 冗余多余人员; 冗余信息; 冗馀多馀; 信息冗余; 余度技术; 裕度; 重复多余; 重复提高可靠性的一种方法; 重复性; 赘余
acoustic redundancy 听觉冗余性
active redundancy 工作储备; 工作冗余; 工作贮备; 活动冗余; 实际冗余度; 替换式余度; 有源备份; 有源过剩信息; 织冗余
additional redundancy 附加冗余度
automatic redundancy 自动式余度
built in redundancy 内部冗余; 内在冗余度
built-in redundancy 内部冗余
causes of redundancy 冗员的原因
code redundancy 代码冗余度; 码冗余度
concept of redundancy 冗余度概念
conditional redundancy 条件多余性
controlled redundancy 受控冗余度
correlational redundancy 相关多余性
degree of redundancy 超静定次数; 超静定度; 冗余度
device redundancy 设备冗余度
dual redundancy 二重余度
duplication redundancy 复制冗馀
dynamic redundancy 动态冗余
element redundancy 元件冗余
extra redundancy 额外冗余度
forced redundancy 强制遣散

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例句与用法

First of all , this thesis analyzes some problems and deficiencies of traditional educational administration of colleges and universities in china , such as lacking integrity , data redundancy , being difficult to be integrated and low reusing . then this thesis expatiates on the indispensability and significance of developing an educational administration system
首先,本文分析了目前国内高校教务管理普遍存在的缺乏整体性、数据冗余、难以集成和重用率低等问题与不足,在此基础上阐述了开发教务管理系统的必要性和意义。
In order to enhance the bandwidth utilization factor , a transfer method based on multi - channel is presented . both the transmission of real - time media stream and time - stamp technologies are introduced to the system to ensure the requirement of real - time characteristic and synchronism , and a simple protocol based on rtp ( real - time transfer protocol ) and udp ( user datagram protocol ) is designed . the method , event simulcast , is also brought forward to reduce the data redundancy and expand the collaboration scale of the system
本文给出了远程教学的协同工作环境模型；设计中为了提高系统带宽利用率，采用一种更符合实际应用要求的“单播+广播”的有效通信方式；为了解决音视频同步问题，参考实时媒体流和时间戳同步技术，设计了一个基于用户数据报协议udp和实时传输协议rtp的简单传输协议，实际应用中保证了数据的实时性和同步性；系统采用基于显示同播的事件同播方式，这样在一定程度上降低了数据冗余，同时扩大了系统的用户数量。
As the application of distributed computing is used much more widely ， distributed database becomes a significant part of information management it avoids a lot of disadvantages of conventional centralized database ， and is applicable to many situations distributed database is a set of data which is the unity logic ， but in fact these data is located on different sites it is of high availability ， easy expansibility ， high concurrency ， high efficiency and etc in distributed system ， data redundancy is a method to improve the speed of query and the availability of system distributed query should shield the lower level details of data redundancy from end users ， distributed transaction should ensure data from disaccord this paper introduces basic conceptions of distributed database firstly ， discusses distributed transaction and concurrent control ， describes the development prototype mysql ’ s characters ， architecture and executive mechanism ， then shows the skeleton model of dpsql and exposes the strategy and algorithm of distributed query and distributed transaction ， at last analyzes the extra expenses and response delay of distributed processes this paper exposes the implementation mechanism of distributed query and distributed transaction emphatically distributed query uses the strategy of “ read one ， write a11 ” s0 in such a system if user ’ s requests are read - - only for the most part and the distribution of data redundancy is plausible ， efficiency is very high distributed transaction uses two - 。 phase commit protocol to ensure the consistency of global data ， which has less communication overhead
分布式查询需要向用户屏蔽数据冗余分散的底层细节，分布式事务处理要保证全局数据完整，这都是传统集中式数据库不曾面临的问题。本文首先介绍了分布式数据库的概念性问题；接着讨论了分布式事务涉及的定义及算法；然后描述了dpsql的原型mysql的特性、结构和执行机制；继而给出了dpsql的梗概模型，阐述了实现分布式查询和分布式事务处理的策略及算法；最后分析了进行分布式处理给系统增加的额外开销和客户端的额外响应延迟。本文重点描述了分布式查询和分布式事务处理的实现机制，分布式查询采用”读一个写全部”的本地优先策略，在读操作频繁的系统中，只要库的分布合理，单机效率极高，几乎无任何附加开销和延迟，而以整个系统的角度看来，吞吐量就更是优于单机系统；分布式事务处理采用两阶段提交协议，通信次数较少并能确实保证副本一致。

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百科解释

Data redundancy occurs in database systems which have a field that is repeated in two or more tables. For instance, in case when customer data is duplicated and attached with each product bought then redundancy of data is a known source of inconsistency, since customer might appear with different values for given attribute.

详细百科解释