principal parameters

In the third section, gives a method to decide parameters based on Concurrent Function Deployment ( CFD) and Principal Component Analysis ( PCA) when studying the cost estimation research front& getting product main characteristics.

接着，本文对产品主要特征属性获取这一成本估算的前端进行了研究，提出了基于并行功能展开（Concurrent Function Deployment，CFD）与主成分分析的参数获取方法。

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In the article, the authors have also made a brief account of the general trend of the development of the principal ship form parameters of large bulk carriers.

文中对大型散装货船主要船型参数发展的一般趋势也作了简要叙述。

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Selecting spot 7 which can most represent the water quality status of it as study object and filtrating the water quality parameters as the inputs for network by principal component analysis.

用主成分分析法选取了最能代表西湖水质状况的7号点（湖心）作为研究对象，并用该方法筛选了部分水质参数，作为BP网络的输入变量。

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The combustion intensification work principle of side air-blasting chain fire grate, principal technical parameters of side air-blasting and experimental study of the fire grate are introduced in this paper.

介绍了侧鼓风链条炉排强化燃烧的工作原理，侧鼓风的主要技术参数，以及这种炉排的试验研究情况。

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Star tracker parameters such as the focus and principal offset greatly affect the system accuracy.

星敏感器焦距和主光轴偏心等参数对整个系统产生较大的影响.

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The parameters of the vegetative growth, the clonal reproduction and the sexual reproduction of the natural, fertilizable, drought stress and pruning stress conditions were analyzed by the principal component analysis ( PCA), and the life cycle forms are determine by score proportion of PCA.

将正常生长与施肥、干旱和剪枝后的长春花营养生长、有性生殖、克隆生殖形态学参数进行主成分分析，根据主成分得分比例划分生活史型。

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According to the result, the symmetric relational contract between the principal and agent depends only on the fluctuation of the targeted innovation ′ value and has nothing to do with the agent ′ s characteristic parameters such as the R& D productivity and the private marginal cost.

结果表明，研发项目外包者和承包者之间的对称性关系契约只与技术成果价值的波动幅度有关，而与承包者的研发生产率系数及私人成本系数等特征参数无关。

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On the basis of three-dimensional velocity field observation, the relationship between collection efficiency of straight-flow Cyclone tube with guide vanes and its principal structure parameters is presented.

用实测三维流场的方法，研究了导叶直流式旋流管的分离性能与旋流管主要结构参数的关系。

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The principal strain parameters of current strain field in epicenter area corresponding to 4 Ms ≥ 7 earthquakes, which was Xingtai, Bohai, Haicheng and Tangshan earthquake, are calculated with the GPS data observed in North China GPS network in past decade.

根据近十多年来华北地区GPS网的观测资料，分别计算了邢台、渤海、海城和唐山4次Ms7级以上大地震震中区现今应变场的主应变参数。

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In this algorithm, principal component analysis is employed before hand to remove the relevance between various parameters, following by immune clustering algorithm to eliminate similar samples.

PCA-IC算法先用基于主元分析方法，去除各特征参量之间的相关性，再用免疫聚类方法去除相似样本。

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This paper presents briefly the design feature, application scope and principal parameters of LH75 Line-drawing Auto and SH3 Manual Line-drawing Carriage used for drawing road marks.

本文简要地介绍用于画道路标线的画线设备&LH75型汽车画线车和SH3型手扶画线车的设计特点，使用范围和基本参数。

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