查询词典 historical data

That backs up analysis done by Munich Re, a veteran German reinsurer with a lot of historical data.

这支持了有着丰富历史数据的德国资深再保险公司慕尼黑再保险公司[注6]所做的分析。

It has not only the important value of historical data ,but also the value of rhetorical art.

它不但具有重要的史料价值，而且还具有重要的修辞价值。

The extrapolated calculation of the regression function of SVM was used to establish prediction model.The regression function that got from the nonlinear regression method of SVM can fit estimated value to historical data very well.The model can effectively avoid the influence of oil change and sample interval disaccord.This new model can be applied...

支持向量机的非线性回归方法得到的回归函数对光谱历史数据有良好的逼近效果，通过SVM回归函数的外推计算建立的SVM回归预测模型能有效消除换油和采样间隔不一致对模型预测效果的影响，具有更广泛的应用范围。

This method is best for historical data with a trend but no seasonality.

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。

In terms of the documentation frequency of these historical data on earthquakes of 4.7 magnitude or above in the past 3000 years ( Table 5 ) the frequency was below 2 times per 10 years for most of the time before the Song Dynasty; when printing was invented in the Song Dynasty the frequency increased to 3 times per 10 years; after the invention of seismoscope in 1900 it reached 100-1000 times per 10 years.

从3000年来4.7级以上的(ji2 yi3 shang4 de0)历史地震的史料记录频度看（图5），宋朝以前的绝大部分时间都在（2次/10年）以下；宋朝出现了印刷术，记录频度增到（3次/ 10年）以上；1900年后现代地震仪问世，记录频度达到（100-1000次/10年）的高水平。

Begin to remember things person, mark the person that writes this article to be concerned at that time and issue, can know setting of change of thoughts of party history bound, activity, science from which the; of a few historical data of friendly feelings of agonistic, teacher and friend is judged civil person, when the author is writing existing writings part, to the viewpoint in the article that publishs in those days, demonstrate oneself uptodate view, what still hold to, what had change, what had development, have self-approval, also have self-criticism.

记事者，记写作此文当时有关的人和事，从中可以了解到党史界思潮变化、活动背景、学术论争、师友情谊的一些史料；评文者，作者在编成文集时，对当年发表的文章中的观点，表明自己现时的看法，哪些还坚持，哪些有了变化，哪些有了发展，有自我肯定，也有自我批评。

On this basis, according to historical data, apply ANN and differential simulation method to get the quantitatively correlative relations between each production and its own influence factors, and introduce the new methods of prediction for dynamic indexes with gas-field development (The combinatorial prediction method based on fuzzy comprehensive evaluation, the method of ANN to select optimally combinatorial prediction models and the ANN prediction method based on genetic algorithm).(2) Base on mathematical programming, combine with quantitative economics and techno-economics, introduce economical indexes to establish production"s distribution optimal model, production"s constitution optimal model and measured production"s constitution optimal model, including multi-objective models and five-years models. Upon this, the optimal project for all gas field and each gas-collected factory can be got. Also, introduce the time value of capitals to improve on these models.(3) Base on the optimal solution theory and algorithm theory for the nonlinear programming problem, introduce the SUMT algorithm and genetic algorithm to study how to solve the models, and on the basis of normal genetic algorithm, make use of auto-adaptively modulating method to improve on normal genetic algorithm; Base on algorithm"s convergence theory and calculation"s complexity theory to analyze seriatim SUMT algorithm"s convergence and genetic algorithms convergence, and compare performance with each other.

在此基础上，利用神经网络方法和微分模拟方法根据历史数据得到各分项产量与其影响因素之间的定量关联关系，并引入气田开发动态指标新的预测方法(基于模糊综合评判的组合预测方法、神经网络优选组合预测模型预测方法以及基于遗传优化的神经网络预测方法)；(2)以数学规划为基础，结合数量经济学和技术经济学，引入经济指标建立产量分配优化模型、产量构成优化模型、措施产量构成优化模型、气田开发多目标规划模型以及五年规划模型，进而获得全气田及各采气厂的最优方案，并引入资金时间价值对五年规划模型进行改进；(3)以非线性规划问题的最优解及算法理论为基础，引入SUMT算法以及遗传算法对模型的求解进行研究，并在原有的遗传算法基础上，引入自适应调整方法对遗传算法进行改进；以算法的收敛性理论和计算复杂性理论为基础，逐一分析SUMT算法以及遗传算法的收敛性，并比较三种算法的优劣性。

However,because of the lack of historical data,scholars havedifficulties to theoretically understand the history of shamanism.

但是由于史料学基础不够充分，给学者们带来了理解萨满教发生与发展的理论困难。

A good way to judge the analytical skills of signal trading service is to ask for historical data.

一个好的信号判断分析技能要求服务贸易史料。

Historical data show that compared to 2007, stock account the situation of the whole of this year there have been a significant drop.

历史数据显示，与2007年相比，股票帐户中，今年整体情况已有显着下降。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。