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 历史统计数据 的翻译结果: 查询用时：0.019秒
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 历史统计数据
 historical statistics
 According to the simulation of order process in VMI pattern, the historical statistics and distributing function of ordering lead time of customers, the optimal order point of a distribution center is got by Arena Software. 通过VMI模式下订货流程的模拟,根据客户订货前置期的历史统计数据或分布函数,利用Arena软件求解配送中心最优订货点。 研究表明,仿真分析能获得比常规数学方法更科学合理的最优订货点。 短句来源 The analysis of time-series is important for economics statistics and forecasting. Up till now, most documents adopt ARIMA model to carry on modeling and predict to time-series analysis extensively. But ARIMA model needs more than 50 historical statistics in model discerning, and it is difficult to collect data by quarter, month or year. 时间序列分析在经济统计与预测中占有重要地位，到目前为止，大多数文献广泛采用ARIMA模型法对时间序列分析进行建模与预测，可是ARIMA模型法在模型识别时需要50个以上历史统计数据，这对按月、按季或按年记录的经济资料往往较难收集。 短句来源
 “历史统计数据”译为未确定词的双语例句
 Analyzing the affecting factors qualitatively and quantitatively of engineering cost from the statistics data of cost index. 从工程造价指数的历史统计数据入手,对工程造价的影响因素加以定性与定量相结合的分析。 短句来源 Chapter III tries to establish the mathematic model of daily gas consumption forecasting, focusing on the introduction of index smooth forecasting theory and determining the reasonable flatness constant. 第三章，建立了日用气负荷预测的数学模型，重点介绍了指数平滑预测理论，确定了合理的平滑常数，进行日用气负荷预测，用历史统计数据与预测结果进行对比分析。 短句来源 Adapting and extrapolation forecast are made with specimens out of the historical statistical date of the traffic volume and other economic indices of a typical section of a highway from 1985 to 1995.The effectiveness of using GRNN to forecast traffic volume is demonstrated. 以某一公路交通吸引区1985~1995年的交通量和相关经济指标的历史统计数据作为学习样本,通过拟合训练和外推预测分析,验证了GRNN用于交通量预测的有效性。 短句来源 According to the historic statistic and distributing function of lead time of retailers,the optimal order point of distribute center is acquired by computer simulation and Arena software at premise of implementing VMI in this paper. 在实施供应商管理库存的条件下,根据客户订货前置期的历史统计数据或分布函数,通过仿真研究模拟配送中心的订货流程,借助Arena软件实现了对配送中心最优订货点的求解。 短句来源 By gathering sorting and analyzing the historical data of the development of national economy and the growth of power consumption from 1986 to now in northeast region this article presents the characteristics of the more than ten years’ national economy development and power consumption growth in northeast region analyses the relations between them and reveals the reasons of “Northeast Phenomenon” that the economy increases faster while the power consumption grows slower． 通过收集、整理和分析1986年以来东北地区国民经济发展和用电增长的历史统计数据，研究近十几年来东北地区国民经济发展和用电增长特点，分析二者之间的关系，揭示90年代以来东北地区经济增长较快而用电增长较慢这一“东北现象”的原因。 短句来源 更多
 相似匹配句对
 Statistics 统计数据 短句来源 The Generators for MIS Accounting Data 统计数据的输出 短句来源 the disposing method of the history data; 历史数据的处理; 短句来源 inquiry of the historical data; 历史数据的查询; 短句来源 On the Expression and Processing of Throughput Statistical Historical Data… 试论吞吐量统计历史数据的表示和处理 短句来源

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 historical statistics
 This study advances the notion of cliometrics-historical statistics - as a strategy for joining the study of the past and present condition of colleges and universities. Historical statistics and projections are available, and data can be downloaded into an excel format. Historical Statistics of the United States, Colonial Times to 1970, Bicentennial Edition. Historical Statistics of the United States, Colonial Times to 1970. Historical Statistics of the United States Colonial Times to 1970. 更多
 According to the post series statistic data of ailment spikes percentage and the model set up through GM(1, 1) calamities mapping, the authors carried out the study on the State Farm 854 in Heilongjiang Province providing a model of time function on long period forecasting of wheat scab (1973-1982).P~(o)(t)=147.15133e~(0.08294(t-1)-1.06792e~(-0.37533(t-1)-135.08341After careful examining the precision of model reaching its high rate, the past record its precision rate during 1973-1982 was 100%, and the forecasting... According to the post series statistic data of ailment spikes percentage and the model set up through GM(1, 1) calamities mapping, the authors carried out the study on the State Farm 854 in Heilongjiang Province providing a model of time function on long period forecasting of wheat scab (1973-1982).P~(o)(t)=147.15133e~(0.08294(t-1)-1.06792e~(-0.37533(t-1)-135.08341After careful examining the precision of model reaching its high rate, the past record its precision rate during 1973-1982 was 100%, and the forecasting results we got during 1983-1986 proved to be conformed with facts completly.The forecasting value of 1987-1991 is also given in this report. It will provide the policy-makers with very useful information to help them control the wheat scab. 本文应用灰色系统理论对小麦赤霉病的长期预测方法进行了研究。作者根据黑龙江省八五四农场小麦病穗率的历史统计数据列(1973-1982年),经灾变映射建立GM(1,1)模型,并给出了小麦赤霉病长期预测的时间函数模型: p(t)=147.15133e~(0.08294(t-1))-1.06792e~(-0.37533(t-1))-135.08341经检验,模型的精度高,回测1973-1982年的结果,拟合率达100%;对1983-1986年的预測结果,全部与实况吻合。本文又计算出1987-1991年的预测值,这将为小麦赤霉病的研究与防治,提供有益的信息。 Construction projects must be handle economic appraisal and risk compare of all investment decisions. We can make a reasonable investment decision. With having poor technical, We cannot successfully carry on investment risk analysis precisely so far. 建设项目必须经过经济评价、经过各种投资策略的风险比较才能作出合理的投资决策。但由于技术上的原因,至今仍不能顺利进行准确的投资风险分析。 在通过对制糖行业的投资风险预测的前提下,本文提出了用计算机模拟进行一般工业建设项目的风险分析的方法步骤,并着重研究了在缺乏历史统计数据时,用深化德尔菲法,借助βeta分布模拟有关随机变量的理论和方法,给出了模拟框图。用该方法进行风险分析可以获得满意的效果。 The history and current situation of wheat mildew occurrence and its damage in china were briefly introduced, and the rampant basis of the biology and epidemiology for the mildew was reviewed in this paper. Based on the principle and methods of plant epidemiology as well as a large amount of statistical data cited, the synthetic action of the seven causes are believed to be responsible for the increasingly severe wheat mildew in china. They are as follows: the lack of resistance in the grown varieties at present,... The history and current situation of wheat mildew occurrence and its damage in china were briefly introduced, and the rampant basis of the biology and epidemiology for the mildew was reviewed in this paper. Based on the principle and methods of plant epidemiology as well as a large amount of statistical data cited, the synthetic action of the seven causes are believed to be responsible for the increasingly severe wheat mildew in china. They are as follows: the lack of resistance in the grown varieties at present, overboundance or impropriety in the application of nitrogen fertilizers, changing of cropping system to the rice—wheat one or intercropping of wheat with cotton in larger areas, enormous increasing in the irrigation areas of farm land, higher densities of wheat plants in the fields, weather warming and unwise policy decision due to the limitation of the knowledge on the disease. It was predicted that the disease may be more severe in future,by pointing out that some favourable conditions for it can't be altered in china. Some countermeasure suggestions for controlling the mildew were presented. 本文首先介绍了我国小麦白粉病发生危害的历史和现状;评述了小麦白粉菌猖獗的生物学和流行学基础。然后,根据植物病害流行学原理,列举了大量的历史统计数据,运用了数学模型的分析方法,从理论上分析阐明了全国种植的小麦品种抗性退化或丧失,氮肥重施偏施,耕作制度变化,农田灌溉面积巨增,田间小麦密度加大,大气候变暖以及人们认识上的局限性所致的决策上失误等原因的综合作用,造成了小麦白粉病日趋严重的局面。进而预测未来该病仍呈上升趋势。最后,提出了短期和长期的对策建议。 << 更多相关文摘
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