历史数据

The average amount of propagation of the line outages is estimated from the data. The distribution of the total number of line outages is predicted from the propagation and the initial outages using a Galton-Watson branching process model of cascading failure.

论文以国内某区域电网9年的历史数据作为样本数据，采用分支过程模型估计该区域电网连锁故障的传播速率及连锁故障灾难度的概率分布，揭示该电网的连锁故障风险水平。

In addition, to the major user with dispatch net, of the acquisition of historical data and congener data search, not be an easy thing.

此外，对于和讯网的大部分用户来说，历史数据的获得和同类数据的查找，并不是一件容易的事情。

To the major user with dispatch net, of the acquisition of historical data and congener data search, not be an easy thing.

对于和讯网的大部分用户来说，历史数据的获得和同类数据的查找，并不是一件容易的事情。

A small sample method for testing the fatigue crack growth rate curve of pressure vessel steel is presented in this paper.

提出了一种测试压力容器钢疲劳裂纹扩展速率的小样本方法，可以综合利用历史数据和当前试验数据确定疲劳裂纹扩展速率曲线。

But the traditional recorder has a lot of shortages;complicated structure,simple function,frequently addinq ink and paper changed etc. In addition,the data are registered in paper with the shape of a curve,so it is not convenient to saving,processing and editing of a file. The paperless recording instrument will initiated an epoch,because it has integrated the electronic technology,cyber- technique and network communication technology.

传统的模拟记录仪结构复杂，功能单一，必须换纸，加墨水，数据总是以曲线的形式存在于纸上，对历史数据的保存方式单一，对数据的处理，编辑等都存在不足，而集微电子技术，计算机技术，网络通讯技术为一体的无纸记录仪开创了记录仪表的新纪元。

Is a collection network and database technology that integrates software, a network of real-time data acquisition...

是一个集网络技术与数据库技术于一体的软件，完成网络数据的实时采集并且动态存储，形成实时数据和历史数据。

In order to develop new remaining value functions for large and medium-sized tractors, 116 recent tractor auction sales data in Shanghai State Farm were collected, by different Box-Cox transformations and regression methods, six proposed models with explanatory independent variables of tractor age and average yearly use hours were analyzed and compared, and the double square root model was selected as best one finally.

该文以上海农场近15年出售的116台拖拉机历史数据为观察样本，以机龄和年平均工作小时数为自变量，对6种不同的备选残值模型进行了回归分析和比较，在此基础上优选了双平方根模型为最佳残值模型，并用实际观察数据进行了验证。

Effective, accurate and timely Data analysis is required imminently by enterprises.

传统数据仓库的数据加载周期较长，往往只能提供对历史数据的分析与查询，不能实时地反应企业商业信息变化。

The system lays NI PXI box,signal conditioning and data acquisition module in different places of the compressor with LabVIEW as the software platform to realize monitoring functions such as multichannel data acquisition,signal analysis,data store,data recall and so on.

通过在压缩机不同位置分布NI PXI机箱和信号调理、采集模块，LabVIEW为软件开发平台，实现了多通道数据采集、信号分析，以及数据存储、历史数据复现等监测功能。

It provides the decision that customer used for current history data supports, these data is very difficult in traditional operation type database or can't get, say more tangibly, the data warehouse is a kind of system construction.

它提供用户用于决策支持的当前历史数据，这些数据在传统的操作型数据库中很难或不能得到，更确切地说，数据仓库是一种体系结构。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。