1) pivot
[英]['pɪvət] [美]['pɪvət]
主元
1.
First,the main procedures and the distinctive features of the most-obtuse-angle(MOA)row or column pivot rules are introduced for achieving primal or dual feasibility in linear programming.
首先回顾了采用最钝角行、列主元规则求解线性规画问题的原始、对偶可行解的主要过程,阐述了其与众不同的特性。
2.
Second, all the eigenvectors of each eigenvalue which are more ideal for the purpose of accurate scientific computation are obtained by using the thought of combining of the pivote with the method of minimum squa.
其次运用选主元与最小二乘法相结合的思想，获得了实际运用中较为理想的每个特征根所对应的全部特征向量。
2) principal component
主元
1.
The dynamic behavior of a long span cable-stayed bridge(north bridge of Runyang Yangtse River Bridge) is calculated, the frequency response function(FRF) is compressed using principal component analysis(PCA),and the FRF is then reconstructed based on a few,principal components.
针对润扬长江大桥北汊斜拉桥进行动力分析,采用主元分析对其频响函数进行了有效降维,并根据降维后的主元重构了结构频响。
3) main element
主元
1.
This paper presents a new method which determines the start feasible basic by means of finding main element in according to theory of linear algebra.
根据线性代数的理论，通过寻找主元末初始可行基。
4) major element
主量元素
1.
Geochemistry of major elements from the Cretaceous Taoqihe Formation-Taipinglinchang Formation sandstones in the Sunwu-Jiayin Basin;
孙吴-嘉荫盆地白垩系淘淇河组-太平林场组砂岩主量元素的地球化学特征
2.
In this paper a method for the direct determination of the major elements(S,Cl,K,Ca)in brine sam- ples by the energy dispersive X-ray fluorescence spectrometry is reported.
用模拟卤水建立一套能量色散X射线荧光光谱法测定卤水中硫氯钾钙主量元素含量的方法。
3.
Major element characteristics of sandstones from different kinds of basin are a function of particular provenance types and tectonic environments, and provenance analysis of basins may be performed using major element diagrams.
一定的砂岩地球化学特征对应于特定的源区和构造环境,利用主量元素图解可以进行盆地物源分析。
5) principal component analysis
主元分析
1.
Application of improved principal component analysis method to mould process monitoring in continuous casting;
改进的主元分析法在连铸结晶器过程监测中的应用
2.
The application of principal component analysis on sEMG signals analysis during slips;
主元分析在研究滑倒时肌电信号中的应用
3.
A method for truss structural damage detection based on principal component analysis;
基于主元分析的网架结构损伤识别方法
6) key-factor enrichment
主元富集
1.
"Multi-factor controlling,four-factor entrapping and key-factor enrichment" of stratigraphic-lithologic reservoirs and exploration practice in Erlian Basin (Ⅰ)——"Multi-factor controlling" mechanism;
二连盆地地层岩性油藏“多元控砂—四元成藏—主元富集”与勘探实践(Ⅰ)——“多元控砂”机理
2.
"Multi-factor controlling,four-factor entrapping and key-factor enrichment" of stratigraphic-lithologic reservoirs and exploration practice in Erlian Basin(Ⅲ) ——"Key-factor enrichment" mechanism;
二连盆地地层岩性油藏“多元控砂—四元成藏—主元富集”与勘探实践(Ⅲ)——“主元富集”机理
补充资料：酬元主簿子球别赠
【诗文】：
故人方远适，访我陈别情。此夜偶禅室，一言了无生。
览君缄中宝，如搴清玉瑛。胡为蕴高价，岁晚徒营营。
辞秩贫且病，何人见艰贞。出无黄金橐，空歌白苎行。
威迟策驽马，独望故关树。渺渺千里心，春风起中路。
近闻新拜命，鸾凤犹栖棘。劝君寄一枝，且养冥冥翼。
甘泉多竹花，明年待君食。
【注释】：
【出处】：
全唐诗：卷818-5
故人方远适，访我陈别情。此夜偶禅室，一言了无生。
览君缄中宝，如搴清玉瑛。胡为蕴高价，岁晚徒营营。
辞秩贫且病，何人见艰贞。出无黄金橐，空歌白苎行。
威迟策驽马，独望故关树。渺渺千里心，春风起中路。
近闻新拜命，鸾凤犹栖棘。劝君寄一枝，且养冥冥翼。
甘泉多竹花，明年待君食。
【注释】：
【出处】：
全唐诗：卷818-5
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