Feature selection is an important issue in the fields of machine learning and pattern recognition. The effectiveness of feature directly affects the design and performance of the classifier.
特征选择问题是机器学习和模式识别中的一个重要问题，特征的优劣直接影响分类器的设计和性能。
Based on the analysis of the technologies of the expandable pattern casting, borne problems of the design and selection of the EPC molding equipment-squeezing table have been investigated.
本文从EPC干砂造型工艺特点出发，分析了EPC造型设备——振实台设计和选用中应考虑的若干问题。
Through analysing production process, equipment capacity, working conditions, this article recommends the program control systematic design and the selection of PC pattern as well as its application.
通过分析生产工艺流程、设备容量、工艺操作条件等，介绍应用可编程序控制器控制原料制备工艺的系统设计和PC机型选择及应用。
Particularly, the data provided for study and analysis on mechanical performance can offer reference for structural design of suspension bridge and proper selection of major cable line pattern.
特别是提供的力学特性研究分析数据可为悬索桥结构设计、合理选择主索线型具有一定的参考价值。
This paper introduces LNG international trade, LNG terminal construction, LNG carriers, site selection and design for ports and jetties, the pattern of LNG retailing transportation.
本文介绍LNG国际贸易、接收站建设、LNG运输船、接卸港口工程的选址及设计、分销输运方式。
In the aspect of construction and selection approaches, the recent development of modular design pattern, partitioning and extraction approaches were introduced.
在构建和选取方面，介绍了模块化设计模式、模块化划分与抽取方法的最新研究成果。
The research above provides an important reference example for the design and pattern selection of a floating ring sealing in different working conditions.
以上研究结果为不同工况下的浮环密封的设计和选择提供了一定的参考。
This article based on the features of the TV lens of visible-infrared specturmcontrast instrument intr0duces the pattern selection and structure design.
根据可见-红外光谱对比仪电视摄像镜头的特点，介绍了该镜头的选型和结构设计。
This article based on the features of the TV lens of visible-infrared specturmcontrast instrument intr0duces the pattern selection and structure design.
根据可见-红外光谱对比仪电视摄像镜头的特点，介绍了该镜头的选型和结构设计。
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