1) major and minor components
主次成分
1.
Determination of major and minor components in nickel laterite ores by X-ray fluorescence spectrometry;
X-射线荧光光谱法同时测定镍红土矿中主次成分
2.
Determination of major and minor components in silica by X-ray fluorescence spectrometry;
X-射线荧光光谱法测定硅石中主次成分
3.
X-ray fluorescence spectrometry for determination of major and minor components in zircon sand
X射线荧光光谱法测定锆英砂中主次成分
2) Principal component
主成分
1.
Application of filter-detection and principal component analysis to the study of the multivariate data in lithological-mineralized section;
滤波检测与主成分分析技术及其应用
2.
An analysis on the principal components for the technical progress of the coal industry;
煤炭工业技术进步的主成分分析
3.
The numerical algorithm of principal component analysis;
主成分分析法的数值实现算法
3) main component
主成分
1.
The parameter model subsists severe multi-co-linearity by main component analysizing,therefore, the ordinary regression methods cannot gain precise coefficient value.
通过运用主成分法对系数模型进行分析,发现此模型具有严重的多重共线性,因此不能应用普通的回归估计方法得到精确的系数估计值,在此情况下本文提出了快速有效的主成分回归估计法,并利用同位级正交设计方法,结合具体切削条件,设计了铣削力系数识别试验及验证仿真试验。
2.
In the paper,by using the method of main component analysis,three main components are chosen as the comprehensive evaluation index from seven eco-nomic efficiency indexes which are beirig commonly used by the enterprises and the economic significance of the main component is disclosed vvith the factorial analysis.
运用主成分分析方法，对当前企业经营的七项经济效益指示，选出三个主成分作为综合评价指标，并利用因子分析方法揭示其经济意义，利用所建立的评价方法对镇江市六个企业的经济效益进行评价，获得了满意的效果。
3.
In this paper we have found the main components in a n -dimension random vector X , the so called main compon ents don′t contain linear relation and the others of X can be expressed as the linear combination of the main components.
本文提供了在多维随机变量中寻找主成分的一种方法 ,证明了其余分量均可表示为主成分的线性组合 ,解决了多维随机变量的各个分量之间所存在的线性关系问题 。
4) main components
主要成分
1.
Variance of main components in pickle juice during natural fermentation;
自然发酵泡菜汁中主要成分的变化
2.
Effect of several auxiliary materials on the variances of main components in cabbage pickle during natural fermentation;
几种辅料对甘蓝泡菜自然发酵过程中主要成分变化的影响
3.
At the same time, the contents of main components were assayed in this paper.
研究了罗非鱼鱼片在40、50和60℃等不同热风温度下的干燥速度变化和热风干燥对鱼片的主要成分含量的影响。
5) principal component analysis
主成分
1.
Application of principal component analysis to evaluating development level of China s building industries;
主成分分析在评价建筑企业发展水平中的应用
2.
And then,it applies the method of principal component analysis(PCA)to condense 15 indictors(such as total asset and total asset growth rate)which inference the capital structure of forestry listed company into 2 principal components("size and earning of corporation","structure of stock ownership and growth of corporation").
利用主成分分析方法将反映林业上市公司资本结构影响因素的总资产、总资产增加率等15个指标归纳为两个主成分(“公司规模与盈利性”、“股权结构与成长性”),并以这两个主成分为解释变量,以资本结构度量指标为被解释变量进行多元线性回归分析,以测度这两个主成分影响林业上市公司资本结构的方向和程度。
3.
Structure of orthopteran communities,correlations between vegetation factors,and orthopteran communities characters in ecologically restored area of Shaanxi Wuqi were studied by means of diversity index,principal component analysis and stepwise regression.
应用多样性指数、主成分分析及多元逐步回归等方法,对陕西吴起县生态恢复区直翅目昆虫的群落结构,植被因素与直翅目昆虫群落特征的相关性进行研究。
6) main component
主要成分
1.
To determine the main components in Chuanping dripping pills.
用高效液相色谱法,建立喘平滴丸中主要成分的含量测定方法。
补充资料：主次
1.主要与次要。 2.主语所处的位次。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条