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
英汉解释
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 results of PCA indicated that soil salinity was one of the most important factors affecting the community distribution.
PCA和植物生理特性分析结果暗示，土壤盐分梯度是影响植物群落分布的主要因素。
In conclusion, PCa management requires risk stratification with a combination of variables, PSADT being one of the most reliable predictors.
结论，前列腺癌的管理需要由多个变量组合而成的危险因素分级处理，PSADT则是其中最可靠的预测因素之一。
A popular decomposition called principal component analysis (PCA) is widely used for feature extraction.
主成分分析（PCA）分解法被广泛地应用于特征抽取的过程。
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。
Principal component analysis (PCA) and successive projections algorithm (SPA) were separately used to reduce variables of spectral model.
分别采用主成分分析（PCA）和连续投影算法（SPA）方法进行模型输入变量的提取。
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 four chosen polymers were used as sensitive component for a sensor array, and then PCA is adapted to classify four simulant gases.
这四个选择的聚合物作为敏感元件的传感器阵列，然后分类，主成分是适应四个模拟气体。
Principal Component Analysis (PCA) is a main multivariate statistical method for getting principal information from observational data.
主成分分析法是从观测数据中获取主要信息的一种多变量统计方法。
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。
Thirdly, PCA dimensionality reduction algorithm is applied to reduce the dimension of union feature.
为了提高检索效率，利用PCA降维方法将联合特征向量进行维数约减；
Diplomats still hope to launch negotiations on a new PCA before the next EU-Russia summit in Siberia in June.
外交官们仍希望在6月于西伯利亚举行下一次欧俄峰会前开启签订新合作伙伴协定的谈判。
'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。
For the case that the measured data contain non-Gaussian latent variables, ICA is more efficient signal extracting algorithm than PCA.
在测量数据含有非高斯潜隐变量的情况下，ICA是比PCA更有效的特征提取算法。
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。
Objective To observe the effects of scalp nerve block combined with tramadol PCA on the postoperative pain undergoing craniotomy.
目的观察比较开颅前行头部神经阻滞和（或）联合术后曲马多PCA（患者自控镇痛）对手术后疼痛的影响及镇痛效果。
Principal Component Analysis(PCA) method and nucleation theory are applied in configuration analysis produced by MD runs.
利用主成分分析（PrincipalComponentAnalysis）方法及与成核相关的理论对模拟中出现的构型进行了分析。
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。
Coclusion Chemical pattern recognition by PCA can be used to the quality evaluate. . .
结论PCA分析法化学模式识别研究可用于女贞子的质量评价。
The object samples are regarded as a set of random vectors. A set of eigen-objects is given by PCA.
将已建好的目标模板看成一组随机向量，利用主成分分析得到一组特征目标；
Objective: To evaluate the clinical diagnosing value in the differentiation of prostatic carcinoma(PCA)by color Doppler.
前言：目的：探讨彩色多普勒在诊断前列腺癌（PCA）分化程度方面的临床价值。
This paper proposes a new Fourier shape descriptor integrated with Principal Component Analysis(PCA) and the Farthest Point Distance(FPD).
提出一种将主成分分析（PCA）与最远点距离（FPD）相结合的二维形状傅里叶描述子。
Principal Component Analysis (PCA) and non-parametric tests were performed to assess relationships.
主成分分析（PCA）和非参数检验用于测定两者之间的关系。
Simulated development of PCa cells and animal models are commonly used in preclinical research on PCa studies.
因此，常用模拟前列腺癌发展的细胞或动物模型开展前列腺癌基础研究。
Secondly, a new weighted principal component analysis (PCA) method was designed to lower dimension for sample matrixes.
接着设计出了一种加权PCA方法用于对样本矩阵进行降维；
while subcutaneously can relief pain as intravenous PCA in patient after open heart surgery safely and efficiently.
静脉PCA与皮下PCA均可安全、有效的应用于心内直视手术后患者。
The results showed that PCA could basically distinguish walnut of artificial aging times and natural aging times.
结果标明，PCA基本可区分不同陈化时间的人工陈化和自然陈化的山核桃。
Method 263 case of suspicious prostatic carcinoma(PCA) were biopsies by transrectal ultrasound guidance.
方法采用直肠超声引导经直肠对263例怀疑前列腺癌患者行前列腺穿刺活检。
