两层设计是存储历史数据的好地方。
A two-tier design is a good place to store the historical data.
这种方法基于先前项目的历史数据。
想用历史数据解答“股票便宜吗？”
The problem with attempts that use historical data to answer "Are stocks cheap?"
这正是您需要的用于趋势分析的历史数据。
长期历史数据没有短期历史数据那么详细。
The long-term history data is not as detailed as the short-term history data.
数据仓库的一个重要特点就是它包含历史数据。
One important characteristic of a data warehouse is that it contains historical data.
存储快更新历史数据最重要的设计问题就是性能。
The most important design issue for hosting fast-update historical data is the performance.
我们使用这些工具构建一个基准，并收集历史数据。
We used these tools to build a baseline, and to collect historical data.
在去年底，给出的方式，附录，历史数据。
At the end are given, by way of appendix, historical data lii.
查看有关项的历史数据。
历史数据表明早在一个世纪前外国工人就大量涌向美国。
Historical data show foreign workers flooding to America a century ago.
可以查询历史数据。
储存管理历史数据为清洗不同产品提供参考依据。
Management history data is saved to provide reference for different products cleaning.
我们还可以方便的查看收集到的实时数据或历史数据。
The data collected can be viewed in real time, as well as historical.
并在股票交易的历史数据基础上，进行了实证分析。
And I do a demonstration analysis based on history exchange data of stock market.
粗糙集理论是一种从历史数据中发现规则知识的数学工具。
Rough Set Theory is an effective mathematic tool to mine principles containing in history data.
传统数据库技术难以实现历史数据的综合处理和复杂分析。
Traditional database technology is difficult to achieve comprehensive processing and complex analysis of historical data.
利用性能数据仓库中的历史数据分析趋势并为增长制定计划。
Leverage historical data in the performance warehouse to analyze trends, and plan for growth.
通过本系统研究解决了大量销售历史数据统计分析的问题。
This system solves the problem of the analysis and statistic of a large amount…
强大的存储功能---最少可保存壹年的历史数据和操作记录。
即使没有先验信息（历史数据或证据），贝叶斯理论仍然有用。
The Bayesian approach may also be useful in the absence of prior information.
这种方法最适合用于有一定的趋势性但是没有周期性的历史数据。
This method is best for historical data with a trend but no seasonality .
该系统以某一燃气公司2001- 2005年的历史数据信息为基础。
The system to a gas company in the 2001-2005 based on its historical data information.
配计算机数据管理软件可实现测试数据的保存、历史数据查询、统计等功能。
The management software can also realize the date processing, query, retrieval, statistics and analysis.
然而，从历史数据来看，15%左右的通胀往往不会给经济增长造成严重问题。
However, inflation of around 15% has historically not been particularly problematic for economic growth.
备份方案有两种，一种用于快速恢复的磁盘备份，一种用于历史数据存档的磁带备份。
Backup is to disk for fast retrieval and to tape for historical archiving.
备份方案有两种，一种用于快速恢复的磁盘备份，一种用于历史数据存档的磁带备份。
Backup is to disk for fast retrieval and to tape for historical archiving.
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