A form feature hierarchy recognition method based on knowledge and graph is proposed to solve the problem of available management of relationship among features.
为解决特征识别中对特征间关系缺乏有效处理的问题，提出基于知识与图的形状特征层次识别方法。
Feature relation graph is designed to completely describe the relationship among design features and machining features.
特征相关图完整地描述了设计特征之间、制造特征之间及设计特征与制造特征之间的相关关系。
There are color, texture, shape and spatial relationship. Among these features, the shape can bring people attractive visual information.
在特征提取中有色彩，纹理，形状和空间关系等特征，而形状特征能给人们带来非常直观的信息。
Chinas policy for enrollment enlargement of higher institutions has the following features: stability of relationship, high limitation on members qualification and mutual reliance among participators.
运用这种理论进行分析，中国高校扩招政策具有关系稳定、对成员资格有高度限制、参与者之间相互依赖等特性。
Objective: To study the relationship of syndrome differentiation of reflux esophagitis among the endoscopic features, condition of bile reflux and infection of HP.
目的：探讨返流性食管炎中医辨证与胃镜表现、胆汁返流及HP感染的相关性。
Methods The relationship between ovulation rate(OR), ovulation cycle rate(OCR) among 178 cases, 569 taking medicine cycles and clinical features, endocrine markers were retrospectively analysed.
方法通过回顾分析178例56 9个周期的排卵率（OR）、排卵周期率（OCR）与临床特征及内分泌指标的关系。
Methods The relationship between ovulation rate(OR), ovulation cycle rate(OCR) among 178 cases, 569 taking medicine cycles and clinical features, endocrine markers were retrospectively analysed.
方法通过回顾分析178例56 9个周期的排卵率（OR）、排卵周期率（OCR）与临床特征及内分泌指标的关系。
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