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PCA

美英

n.吡咯烷酮梭酸；被动的皮肤过敏；杀草敏；波特兰水泥协会
网络主成分分析(principal component analysis)；主成分分析法；前列腺癌

PCA

英-汉网络释义

PCA

1.吡咯烷酮梭酸

2.被动的皮肤过敏

3.杀草敏

4.波特兰水泥协会

例句：

Profitability Analysis , alongside Profit Center Accounting ( EC- PCA), is one of the application components for profitability accounting .

收益性分析，和利润中心会计一起，是收益性会计的一个模块。

The methods which can be utilized for EC-PCA (Profit Center Accounting ) are period accounting or by the cost-of-sales approach .

不过，可以对欧共体常设仲裁法院（利润中心会计）使用方法或会计期间的成本的销售方式。

By last month , nine people had died , one of the biggest food product recalls in US history was under way and PCA had filed for bankruptcy .

截至上月，已有 9 人死亡；美国历史上最大规模的食品召回之一正在进行中，美国花生有限公司已经申请破产。

Generalization can be defined quantitatively and can be used to assess the performance of principal component analysis (PCA ).

推广可界定数量和可用来评估业绩的主成分分析（PCA ）。

For PCA+LDA to be competitive, the crucial step is to select the most discriminant PCA features before performing LDA.

要使 PCA+LDA 方法性能更突出，关键的一步是在执行 LDA 之前选择最佳判别的 PCA 特征。

Subsequently , principal component analysis (PCA) is used for dimensionality reduction.

然后，采用主成分分析法进行特征降维；

In the end of the paper , Principal Component Analysis (PCA) is used to search the Listed Automobile Company performance by the model .

文章在最后重点通过建立模型，运用主成份分析法来计算上市汽车公司的综合得分。

The action potentials' features are extracted by PCA, the action potential classification is implemented by the improved K-means algorithm .

该方法采用 PCA 提取动作电位特征，使用改进 K 均值算法实现动作电位分类。

As a result of these divergences from [4 ], our PCA results are somewhat different .

由于这些同 [4 ]中差异，我们的主元分析（PCA ）结果稍微有一些不同。

The data set is projected into low dimensional PCA space using PCA, and the low dimensional data set used as training data set of RVM.

对采集到的焊缝偏差信息数据集进行主成分分析，映射到低维的 PCA 空间，作为关联向量机的训练样本集；

The Fuzzy Cluster and principal Component Analysis (PCA) fot classifying the brush--wood of the Shanhaiguan Forestry Farm in this paper .

本文应用模糊聚类分析和主成分分析的方法对山海关林场的灌丛进行分类。

'We have had about 65 candidates take the survey , ' says PCA Skin Chief Executive Richard Linder, who has filled 17 positions since June.

PCASkin 首席执行长林德（RichardLinder ）说，我们让 65 位求职者进行了测试。

PCA is sufficient for reducing data volume, however it fails to preserve the spectral and local characteristic of the original data.

主成分变换可以很好的压缩信息，但由于它的全局性，使得光谱特征和局部特征没有被更好的保留下来；

Objective : To provide anatomic data of central retinal artery (CRA) and posterior ciliary artery(PCA) for operation around optic nerve.

目的：为视神经鞘减压术和视神经周围区手术提供视网膜中央动脉和睫状后动脉的解剖学资料。

In this paper , the image shape feature extracted by the PCA method can meet the needs of the recognition layer well.

在该文的形状识别系统中，用 PCA 法提取图像的形状特征，能够较好地满足识别层的输入要求。

The results of PCA and UPGMA clustering analysis exhibited a good consistency , and were also consistent with geographic origins .

主坐标和 UPGMA 聚类分析结果基本相同，并与地理来源有很高的一致性。

The experiments show that using PCA-LDA method in audio feature extraction is effective for improving the audio classification results.

实验表明，引入 PCA-LDA 特征集构造方法的音频分类模块能够对音频信息进行有效分类。

Conclusion : PCA from AAV is a favorable protein C-activating reagent that has high potency and produces less influence on the experiment.

结论：五步蛇毒 PCA 是一种效价较高、影响因素较少的蛋白 C 活化试剂。

without large matrix calculate and no iteration , the fast pca algorithm gets a very fast speed .

该算法不涉及大规模的矩阵运算，也没有迭代过程，具有运算量少，收敛速度快的特点。

PCA

PCA

主成分分析(principal component analysis)

主成分分析法

前列腺癌

病人自控镇痛(patient controlled analgesia)

主分量分析

主元分析

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