The integrated quantitative evaluation on river water quality was made by principle components analysis and logarithm center method.

本文利用主成分分析和对数中心化的方法对江河水质进行综合定量评价。

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A modification on Mahalanobis distance on samples of limited size by compensation for errors of non-dominant eigenvalues and asymmetrical distribution on dominant principle components is proposed.

本文提出了一种有限样本集上基于次特征值误差补偿和优势主向量上非对称分布的马氏距离改进算法。

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This paper introduced the principle, components and functions of a new type intelligent device, AS electric actuator.

该文介绍一种新型的智能设备- AS系列电动阀门执行器的原理、组成和功能。

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And there are three components to the Aufbau Principle.

构造原理,由三个部分组成。

麻省理工公开课 - 固态化学导论课程节选

In our health care bill, one of the most important components was the idea, the basic principle that nobody should have to go without health insurance because of a preexisting condition. (Applause.) Nobody should have to go after -- go without health insurance without -- because of a preexisting condition.

WHITEHOUSE: President Obama Holds a Town Hall in New Hampshire