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- This paper employed the technique of stratified rendom sampling to verify the basic-level managers' managerial knowledge/skills needs by using the principal component factor analysis. 本文以分层随机抽样调查方式，利用主成份因素分析法，实证基层主管的管理知能需求因素。
- The principal component factor 主成份因子
- RPS is the principal component of rchmannia glutnosa. 地黄多糖是地黄的主要组分。
- Then,the data acquired were analyzed by the principal component analysis (PCA) and the discriminant factor analysis (DFA) in order to screen out repetitious samples. 利用电子鼻检测仅知生产日期的天然苹果香精样品,并对所获数据进行PCA及DFA分析,筛选信息重复的样品。
- The new neural network prediction model of water level is established based on the principal component analysis (PCA). 采用人工神经网络与主分量分析相结合的方法，建立了梧州水位的预报模型。
- Section 2. deals with estimating a regression model that depends on principal component factors instead of explanatory variables. 第二部分用主成分因子代替解释变量估计得到回归方程。
- principal component factor analysis 主成分因子分析
- Applying a one-side t-test, the difference in the principal component for the monthly mean temperature is significant at the 5% level. 采用单侧t-检验,月平均气温这一主分量的差值在5%25的水平上是显著的。
- The karst area in Guizhou Province was classified into five eco-economic categories by the principal component analysis and fuzzy poly-class method. 摘要运用主成分分析法和聚类分析法，对贵州喀斯特地区的生态经济类型进行了划分。
- The pharmacodynamic material basis has been analysed by applying of the similarity arithmetic and the principal component analysis. 在上述实验的基础上，本文全面探索和建立了道地药材指纹图谱研究内容、研究原则及研究方法。
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The main factors with the most influence were urease and uratease activities by The Principal Component Analysis of soil enzymes. 对土壤酶活性进行主成分分析，发现起主要作用的是土壤脲酶和尿酸酶。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- Because the RGB data bands are often highly correlated, the Principal Component (PC) Transformation is used to produce uncorrelated output bands. 由于RGB各波段之间有高的相关性,所以不适用来进行场景分割和分析。
- The vinegars could be identified according to their brands, kinds, and the total acidity of the vinegars indicated by the Principal Component Analysis. 主元分析表明不同的食醋在品牌、种类、酸度等方面具有一定的相似性。
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- The principal component in pattern recognition companied with Mahalanobis distance can basically meet the requirement of POL qualitative analysis and achie. 通过试验,模式识别法中的主成分分析法结合马氏距离法基本满足了油品定性分析要求,达到了油品鉴别、自动判断选择定量模型的目的。
- The key principles of the principal component analysis are illustrated, the economic sustainable development status of 11 cites of Hebei province isanalysed via SAS. 摘要阐述了主成分分析的基本原理，并借助统计分析软件SAS对河北省2003年11个地区的经济可持续发展状况进行了数量分析。
