A highly duplicated index can severely impact the speed of accessing, updating and deleting data.
一个高度重复的索引可能会严重影响访问、更新和删除数据的速度。
Modification impact: DB2 will automatically maintain every index you create.
修改影响：DB 2将自动维护您创建的每个索引。
To help ensure that building the initial index has limited impact on users, the common practice is to schedule the first index build process to occur during periods of low reporting usage.
要帮助确保构建初始索引对用户只产生有限的影响，常见的做法是在报表使用率较低的时候安排第一个索引构建流程出现。
The bottom line is that the heat index is an extremely important measure for understanding heat and humidity's impact on the body.
基本的一点是，炎热指数是一个理解湿热对人体的影响的极为重要的度量方式。
A view has its index already created when a feed update is requested, so there should not be much impact.
请求提要更新时，视图已经创建其索引，所以影响不大。
You may wonder whether or not the impact of having to index this view may negate your performance gains when your code executes.
您可能想知道执行代码时，如果必须对此视图建立索引，是否会降低性能。
Impact of schema evolution on the index lists.
模式演化对索引列表的影响。
Out of the work on the Science Citation Index (SCI) has come the field of scientometrics and the ability to quantify the impact of specific papers or journals.
我在科学引文索引（Science Citation Index）方面的工作逐渐延伸到科学计量学领域，而且具备将特定论文或期刊的影响力进行量化的能力。
How can the meta robots tag impact how search engines crawl, index and display content on a web page?
metarobots标签是如何影响搜索引擎爬虫抓取、索引并显示网页的？
Of course, if you already have a lot of indexes on the EMP table, you might want to examine the impact of creating yet another index on the table. Factors to consider include
当然，如果您已经有许多关于 EMP表的索引，您也许应该检查再创建另一个关于表的索引所带来的影响。
This must be done carefully, however, because too much free space will mean an abundance of index pages, which could negatively impact query performance and even insert processsing itself.
所以这样做时要小心，不过，太多的自由空间意味着大量的索引页，这对查询的性能乃至insert 处理本身都会产生负面影响。
The impact of using the "random" index option on ORDER BY sort avoidance.
使用“random”索引选项对ORDERBY排序规避的影响。
The impact of a data-partitioned secondary index (DPSI) structure on ORDER BY sort avoidance.
一个分区数据二级索引(data - partitioned secondary index,DPSI)结构对ORDERBY排序规避的影响。
Since rent and the estimated equivalent of rent for owners comprise more than 40% of the core index, this has a huge impact on the direction of core inflation.
既然房租以及自有住房主估算房租等价物之和占到了核心指数的40%还多，那么这就给核心通货膨胀率的走势施加了巨大影响。
Maintaining a full-text index costs little in terms of performance, and there are many options available to minimize impact.
维护全文索引对性能影响甚微，并且通常有许多可用的选项使影响最小化。
Index design has a critical impact on access path selection.
索引设计对访问路径选择至关重要。
With the impact and vibration of the crane, it may cause the rail installation loose, the connector fall off, deformation, crack, precision index super difference.
随着起重机运行时产生的冲击和振动，可能引起轨道安装的松动、连接件脱落、变形、裂纹、精度指标超差。
Experimental data were obtained by means of all kinds of instruments such as a tensile machine, an Izod impact test machine, thermogravimetric analysis, limit oxygen index (LOI) instrument and so on.
各种数据的获得借助于拉力试验机、悬臂梁冲击试验机、热重分析仪、和氧指数仪等各种分析测试手段。
The Web Index will be the world's first multi-dimensional measure of the Web and its impact on people and nations.
网站索引将会成为世界上首个多维评价网站及其对各国人民的影响的工具。
This module supports environmental analysis for mass stream, process unit and total process flow, then calculate environmental impact index for each process alternative.
该模块可以对物质流、过程单元和总流程提供环境模拟分析，并计算过程方案的环境影响指数。
Based on the old evaluating methods of road traffic noise, the traffic noise integrated impact index was proposed, the unsteady characteristic of road traffic noise was considered.
在分析既有环境噪声评价方法的基础上，根据交通噪声非稳态性的特点，提出了交通噪声综合影响指数的概念。
Objective To research the impact of electrical power quality in medical equipment safety index.
目的：研究电能质量对医疗设备安全指数的影响。
Firstly, a research of the calculation of noise prediction model based on GIS, noise impact index, as well as the database design are conducted; Secondly, VB6.
首先对基于GIS的噪声预测模型计算、噪声冲击指数计算，以及数据库设计等关键技术问题进行了研究，然后选择了VB6。
The creep curve is the relationship between changes in index, atherosclerosis of the ascending aorta has a certain impact on the creep characteristics.
说明蠕变曲线是以指数关系变化的，动脉粥样硬化对升主动脉蠕变特性具有一定影响。
The vegetation in forest area, in which has the highest vegetation index, the impact of annual change of precipitation on surface vegetation was slight.
对于林区植被，降水的年际变化对地表植被的影响比较小，森林区植被指数最高；
In this article, the impact of coal quality index on boilers safe and economic running of power plant was analyzed and the measures for enhancing the management of coal quality were suggested.
文章从燃煤质量指标对电站锅炉安全经济运行的影响进行分析，并提出加强煤质管理的建议措施。
The negative impact of Hydrogen in the plasma to the refractive index is proved to be negligible.
并论证等离子体中氢对折射率的负影响可以忽略不计。
The negative impact of Hydrogen in the plasma to the refractive index is proved to be negligible.
并论证等离子体中氢对折射率的负影响可以忽略不计。
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