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评价样本
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  assessment samples
     The assessment results were corresponding with the actual environment, and could reflect the variation of same level assessment samples. So it was an effective method for water environment quality.
     结果表明:该评价方法简便易行,评价结果与实际环境状况一致,并可反映出同一级别评价样本的优劣变化,是开展水环境质量综合评价的一种十分有效的方法。
短句来源
     In order to resolve this problem and reduce the man-made influence and dynamic characteristic in assessment procedure, according to the fuzzy optimal neural network theory and model, the author suggests that the past assessment samples and standard class data of assessment have relation with class membership degrees respectively.
     首先,从神经网络特性出发论述了神经网络的评价方法机理:相似评价样本以及决策评价工作一般都会有较为详细的评价标准,这些都是评价经验与知识的结晶,在此基础上利用模糊优选BP神经网络模型神经网络的学习能力建立评价模型。
短句来源
  evaluation sample
     2.Classification and integrated evaluation in water and soil resources,on the basis of structural characteristic of evaluation sample or some evaluation criterion,projection pursuit cluster models based on different functions of projection indexes has been presented in this paper. When standard deviation and partial density are used to structure the function of projection indexes,it deduces and acquires the empirical formula of calculation of exclusive parameter-the density window breadth of projection pursuit cluster model.
     2.在水土资源分类和综合评价中,根据评价样本自身的结构特性或一定的评价标准的结构特性,本文建立了基于多种投影指标函数的投影寻踪聚类模型,当采用标准差和局部密度来构造投影指标函数时,推导得出了投影寻踪聚类模型中唯一的参数——密度窗宽的计算的经验公式;
短句来源
     Contraposing the problems of multicollinearity among indexes of evaluation sample,projection pursuit principal components analysis has been presented in this paper.
     针对评价样本指标间存在多重相关性问题,本文建立了投影寻踪主成分分析。
短句来源
     Regarding the evaluation criterions of air environmental quality as fuzzy sets and using multi output neural network to acquire a actual output vector and taking it as degree of membership of evaluation sample to the fuzzy set,the subjective affect in establishing evaluation index of traditional single output network can be overcome.
     将环境质量评价标准作为模糊集 ,采用多输出神经网络 ,得到一个实际输出向量 ,把它作为评价样本对该模糊集的隶属度 ,较好地克服了常用的单输出网络人为规定评价指数的主观因素 ;
短句来源
     When take the degree of membership vector as weight value and grade the evaluation sample synthetically to evaluate air environmental quality,we can avoid the difficulty in maximum degree of membership criterion when the component of degree of membership vector is not concetrated.
     把隶属度向量作为权值 ,对评价样本进行综合评分 ,以此对环境质量进行评价 ,避免了当隶属度向量各分量分布不集中时 ,最大隶属度原则所遇到的困难。
短句来源
  measuring sample
     The subjective affect in establishing evaluation index of traditional single output network can be overcome by regarding the measurement criterions of urban social-economic development status as a fuzzy set,using multi-output neural network to acquire an actual output vector as degree of membership of a measuring sample to the fuzzy set.
     将市域社会经济发展状况的评价标准作为模糊集,采用多输出神经网络,得到一个实际输出向量,把它作为评价样本对该模糊集的隶属度,较好地克服了常用的单输出网络人为规定评价指数的主观因素;
短句来源
  “评价样本”译为未确定词的双语例句
     By testing the independent evaluation datasets and analyzing the statistical data for the reliability index, it reveals that SVMProt is a powerful approach to identify protein function families followed by higher recognition accuracies reached a range of 80.5% and 99.7%.
     经过对完全独立评价样本集的测试及测试结果置信度的统计表明:SVMProt具有很强的蛋白质功能识别本领,其识别准确率在80.5%~99.7%之间。
短句来源
     METHODS: 60 HBsAg serum plates for clinical scientific research from the Clinical Testing Center of the National Ministry of Health and 200 sets of serum from blood donors in Xi'an were used as samples for the evaluation.
     方法 :以卫生部临床检验中心HBsAg临床科研血清盘样本 6 0份及随机抽取 2 0 0份西安市无偿献血者血清为评价样本 ;
短句来源
     ASSESSMENT OF THE DIETARY QUALITY OF SAMPLE POPULATION WITH RAPID ASSESSMENT TABLE ON DIETARY QUALITY
     应用膳食质量快速评价表评价样本人群膳食质量
短句来源
     Secondly, many forecasting algorithms for Multiple Linear Regression and BP neural network are designed by using samples exported from the sewage database, At last, a kind of soft-sensing model of sample interpolation and multi-step memory for forecasting effluent quality parameters is presented.
     2、选取历史数据库中较为完整的数据加以预处理作为软测量建模样本和预测评价样本,并由此设计了大量的多元线性回归、人工神经网络预测算法; 3、结合污水处理工艺特点,创造性地提出了“样本数据插值和多步记忆”的污水处理出水水质预测软测量模型结构,使预测质量大为改善。
短句来源
     Projection pursuit can be used to project high dimensional data to low dimensional space and find the main characteristic in 1 D space,which can synthesize the characteristics of water resources carrying capacity index.
     对于多因素影响的水资源承载能力综合评价问题 ,依据样本自身的数据特性寻求最优的投影方向 ,通过线性投影计算反映评价样本综合特征信息的投影特征指标 ,根据这一指标可以形象、直观地对样本进行分类或评价。
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  assessment samples
The success of the restorations was evaluated by comparing the genetic composition of wild scallops before (pre-restoration samples) and after (assessment samples) each deployment.
      
In this study, the crustacean zooplankton community in the lake in early summer 1989 is compared to the community during the early summers of the baseline years 1978 and 1979, based on archived environmental impact assessment samples.
      
The handbooks include grade-level alternative assessment samples for both classroom and large-scale assessment.
      
  evaluation sample
Two studies were conducted using the Fort Bragg Evaluation sample of 984 treated children.
      
We derive conditional forecast biases and unconditional (asymptotic) variances to show that when the forecast evaluation sample includes sub-periods following breaks, non-causal models will outperform at short horizons.
      
Three groups were included in the evaluation sample: participants; site facilitators; and stakeholders; which included the planning committee members, conference speakers, moderator, and audiovisual personnel.
      
For the evaluation sample ofN=984 treated children aged 5-17, site differences favored the Comparison about as often as the Demonstration.
      
A Performance Evaluation sample will also be provided for both the TCLP mercury and total mercury tests.
      
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  measuring sample
A method permitting rapid and frequent determination of the total ionic concentration in renal tubular fluid samples, by measuring sample electrical impedance, is described.
      
The authors have developed a method for simultaneously measuring sample weight loss while detecting light transmission during a smoke test in a National Bureau of Standards smoke density chamber.
      
Cold flow, the flow of caramels at room temperature over time under the force of gravity, was evaluated by measuring sample area over time.
      
Franck in the Department of Physics, University of Alberta, for heIp measuring sample magnetic material.
      
Tubular fluid sample volume was determined by measuring sample length in l-/xl capillary tubes.
      
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The water sample is taken as an event,grade of water quality as a stra- tagy,a situation is then set up.A new method for evaluating water enivron- mental quality is presented by using effect measure to unify indexes with greysituation decision making. Compared with other methods for evaluating waterenvironmental quality of Shandong river, its advantages are shown.

将待评价样本作为事件,水质级别作为对策,构造局势,通过用效果测度统一计量评价指标,提出了用灰色局势决策综合评价水质污染的方法。结合山东某河流水质污染评价与其它方法进行了对比,指出该方法的优越性。

The multicriteria comprehensive assessment problems are comsidered and a model based on neural network for this kind of problems is presented in this article. Through the learning of the neural network, the model can express the preferences and knowledge of the decision makers(or ex- perts)about the assessment problems, and thus the model can be used as the assessment experts. The learning algorithm of the neural network is discussed and the assessment problem of Three Groge Pro- ject is analyred.

本文提出了基于神经网络的多目标综合评价方法。这种方法通过利用神经网络对于以往成功的评价样本的学习,使得神经网络反映评价指标的偏好,从而代替评价人进行评价。文章研究了神经网络学习的BP算法,并分析了某大型水利工程水位方案评价问题。

A new method to evaluate the enviromental quality based on the properties of grey relational analysis is present-ed.ln this method, the reference number series are composed of the indices for be evaluatid,compared series are the in-dices for the standards of enviromental quality and the comprehensive evaluation of enviromental quality is given with the grey re-lational grade according to the optimal relation recognition principole.Compared with other method through 4 calculationg exam-ples,the results achieved...

A new method to evaluate the enviromental quality based on the properties of grey relational analysis is present-ed.ln this method, the reference number series are composed of the indices for be evaluatid,compared series are the in-dices for the standards of enviromental quality and the comprehensive evaluation of enviromental quality is given with the grey re-lational grade according to the optimal relation recognition principole.Compared with other method through 4 calculationg exam-ples,the results achieved are satisfactory.

本文根据灰色关联分析的基本性质,提出一种环境质量综合评价的新方法。该方法用待评价样本各指标值组成参考数列,环境质量分级标准值组成被比较数列,通过计算参考数列与被比较数列的关联度,按最优关联识别原则综合评价环境质量等级。用4个实例与其它方法进行了对比,取得满意的效果。

 
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