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factor selection
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  因素选择
     Combined with the result of cultivated land classification by factor method, both methods were fully compared from the factor selection, weight choose, corresponding area of same grade, research thinking, etc.
     结合因素法耕地分等成果,从因素选择、权重确定、相同等别对应面积、研究思路等方面对因素法和类型法两种方法得到的成果作了一较为全面的比较。 并得出结论:即无论是因素法,还是类型法都能满足万柏林区耕地分等的需要。
短句来源
     Although, in certain range, there was improved tendency of genetic gain of selection index (CGS  y) along with the increase of number of selective factors, yet in some simple comprehensive selection containing only 2 or 3 factors, both CGS  y and selective effect would be as large as multiple factor selection.
     在一定范围内,虽然选择指数的遗传进度(CGS′y)有随选择因素的增加而提高的趋势,但是在只含2至3个因素的某些简单的综合选择,也可达到与多个因素选择同样高的指数遗传进度和好的选择效果
短句来源
     Abstract The model establishment, factor selection and evaluation standard in optimizing VTS system scheme by introducing multi-objective fuzzy decision method are introduced and an example is provided in the end for illustration
     介绍引用多目标模糊决策法来优选VTS系统方案时的模型建立、因素选择及评判标准,最后以实例说明。
短句来源
  因子筛选
     Factor Selection Based on Cross Spectrum Analysis
     基于交叉谱分析法的因子筛选
短句来源
     Based on the conclusion of environmental impact assessment factor selection,this article proposes a new method of quantitatively assessment factor selection by considering engineering and environment combined.
     在总结环境影响评价因子筛选方法的基础上 ,提出了“工程与环境相结合 ,定量化进行评价因子筛选”的新方法。
短句来源
     Based on meteorological observation and measured data collected from 1990 to 1999 in Qiyang County, Hunan Province, the annual disastrous land damaged by Dendrolimus punctatus Walker was studied through the use of factor selection, classification analysis and statistical inspection. The results of the study provide good and practical methods for forecasting and preventing disaster caused by Dendrolimus punctatus Walker and contribute to making correct decisions for prevention.
     以湖南祁阳县1990~1999年的气象观测数据及松毛虫的年发生面积为依据,应用因子筛选、聚类分析、统计检验方法找出了影响马尾松松毛虫减灾的关键气象因子,为预报和防治马尾松松毛虫的成灾提供了合理和实用的方法,有助于为防治灾害作出正确的决策.
短句来源
     Through the continuous investigation and analysis of cone production for Scotch pine in the sandy area for ten years, the prediction models was established by using factor selection method and linear regression models according to the local climate materials.
     通过对沙地樟子松连续 10a球果产量的调查与分析 ,根据当地的气象资料 ,采用因子筛选法和线性回归模型 ,建立了樟子松球果产量的测报模型。
短句来源
  因子选择
     Factor selection of the multi-factor ARCH model and the application
     因子多元ARCH模型的因子选择及其应用
短句来源
     Factor Selection of Displacement Statistical Models for Concrete Dams
     论混凝土坝变形统计模型的因子选择
短句来源
     In this paper, research progress, including epidemic system monitoring of disease, factor selection, structure and application of agrometeorological model in prediction of grape downy mildew is presented, and its problems and prospect were also discussed.
     在此,从病害流行系统的监测、因子选择、结构及应用等方面综述了利用农业气象模型预测葡萄霜霉病的研究应用进展,并对其存在的问题及发展前景作了讨论。
短句来源
     The computer random selection is leaded into the factor selection of water quality appraisal with VB program.
     应用VB编程,在传统水质评价的因子选择中引入计算机随机选择。
短句来源
  “factor selection”译为未确定词的双语例句
     The system can provide the function of database construction, farmland-grading unitdetermination, factor selection and evaluation, factor importance extent calculation,grading index calculation and result production, exhibition, output and updating.
     利用本系统在江苏省邳州市进行农用地定级,在系统农用地定级模块的导引下,完成数据库的建立、农用地定级单元的划分、因素的选择与评分、因素权重的计算、定级指数的计算以及农用地定级结果的生成等工作,并对成果进行一定的展示、输出、更新。
短句来源
     The effect of weight factor selection on the final optimized results is also studied.
     还考察了权重的选取对于最后优化结果的影响。
短句来源
     Core problem in the stand-off cylindrical worm gear design is the meshing parameter selection especially the position shifiing factor selection.
     变位蜗杆副设计中的核心问题是,啮合参数的选择,特别是变位系数的选择。
短句来源
     Combining with case, the optimal factor selection on the different stages of JIT system is discussed.
     结合企业实例,对JIT系统不同阶段优化方向的选择问题进行了进一步的探讨。
短句来源
     3. There are several factors affecting the weighting factor selection, which are unit differences, gain relation, cost window sizes and dynamic behavior of the plant. The weighting normalization is used to solve this problem, which can simplify the weighting selection.
     3.针对实际控制系统中存在的变量单位差异、增益差异、预测时域和控制时域的选择和系统的动态特性差异导致权重参数选择困难的问题,采用权重参数归一化的思路,通过采用权重归一化来标度各个变量之间的重要程度,简化了权重参数设置。
短句来源
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  factor selection
During the course of factor aggregation, another important issue, namely factor selection, is also touched on.
      
Weight factor selection in double exponential smoothing enrollment forecasts
      
Universal smoothing factor selection in density estimation: theory and practice
      
The scale factor selection is determined by the amplitude of the standard deviations in Gaussian functions of Gabor expressions.
      
The model of hedge fund performance is introduced, factor selection, return smoothing and self-selection bias issues are discussed there.
      
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The headward silting of reservoirs is an ambiguous phenomenon which can be studied in fuzzy mathematics rather successfully. In this pape. the headward silting coefficient E (Eq. (1), (2)) is chosen as the object in the fuzzy-set analysis, and the incoming sediment load G, the relative storage of reservoir S (Eq. (3)) and the incoming hydraulic characteristic K ,(Eq. (4)) are chosen as the independent factors (Eq. (6), (7), (8)). The samples used for calculating degree of subordination are the field data...

The headward silting of reservoirs is an ambiguous phenomenon which can be studied in fuzzy mathematics rather successfully. In this pape. the headward silting coefficient E (Eq. (1), (2)) is chosen as the object in the fuzzy-set analysis, and the incoming sediment load G, the relative storage of reservoir S (Eq. (3)) and the incoming hydraulic characteristic K ,(Eq. (4)) are chosen as the independent factors (Eq. (6), (7), (8)). The samples used for calculating degree of subordination are the field data from about 30 reservoirs. Then, a preliminary forecast about headward silting of reservoirs has been given in the light of the fuzzy relationship synthesizing. The checking results express that the goodness of fit is over 90%. All of the steps in analysis, including factors selection, partition of factor intervals and object intervals, determination of subordination degree and fuzzy operation etc., are finished in computer. And finally, a table (Table 4) indicating all of the possible forecast results under the miscellaneous combinations of independent factors has been obtained. Hereafter, it needs only using this table for forecast simply without repeating any step in the aforementioned fuzzy analysis.

水库淤积上延问题具有模糊性质.可通过模糊分析来进行研究与预测.本文以淤积上延系数为分析对象,入库沙量、相对库容及入库水流特性为因子,以约30个水库的实测资料为样本,通过模糊关系合成对水库淤积上延程度作出预报.其拟合率达到90%以上.分析中的每一步骤,包括因子的选择、因子区间与对象区间的划分、隶属度的确定以及模糊运算等,均用电算进行了多方案比较与筛选.最后还得出了诸因子不同组合条件下的预报结果(表4).此后,可直接利用它进行预报,无须再重复模糊分析的各步骤.

Climatic and biological factor data in relation to rice planthopper Collected in 1980 ̄1990 from seven counties in Sichuan province were used in this study to establish a computer factor selection program and a fuzzy synthetic decision model. Selection of predicting factors and computer simulation forecasting for Sagatella furcifeva (Harvath) and Viaparrate luged (Stal) in long-term and mid-term, showed that over 91% of forecast coincided with the history facts in all locations investigated....

Climatic and biological factor data in relation to rice planthopper Collected in 1980 ̄1990 from seven counties in Sichuan province were used in this study to establish a computer factor selection program and a fuzzy synthetic decision model. Selection of predicting factors and computer simulation forecasting for Sagatella furcifeva (Harvath) and Viaparrate luged (Stal) in long-term and mid-term, showed that over 91% of forecast coincided with the history facts in all locations investigated. Ten years' data (1980 1989)from Qianjiang and xiushan were used to establish a predicting model, and the predicting result in 1990 with this model was in line with the facts. These results indicated that this model chieved a satisfactory practical value.

本文选用四川省7个县(市)黔江,秀山、垫江、綦江、涪陵、忠县、叙永)11年水稻飞虱发生的生物因子和气象因子,运用计算机建立因子筛选程序(FY.EXE)和模糊综合决策模型(Fu22Y.EXE)对白背飞虱和褐飞虱分别进行前期(用4,5月份资料),中期(用6,7月份资料)预报因子的筛选和计算机模拟预测,效果良好。

To meet the requirements of the structural dynamic designing the dynamic load characteristics of the linkage ladle turret under different impact loads are analyzed by simulating the load processes with computer, and the selection of the dynamic load factor is discussed. The dynamic load characteristics obtained in practice are in good agreement with theroretical ones, thus reliable bases for dynamic designing of the turret and the dynamic load factor selection are provided.

针对连杆式钢包回转台结构动态设计要求,通过计算机模拟钢包加载过程,分析了连杆式钢包回转台在不同冲击载荷模式作用下的动载荷特性,讨论了结构动载荷系数的取值规律。现场实机测试表明,实际加载过程中所表现的动载荷特性与理论分析结果一致。从而为钢包回转台动态设计和动载荷系数的选取提供了可靠的理论依据。

 
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