hierarchical classification中文什么意思

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用"hierarchical classification"造句

分层分类
分级分类
级系分类
有层次的安全级别
组内分组

classification: n. 1.选别；分等，分级；分选。 2.【动、植】分类( ...
classification: n. 1.选别；分等，分级；分选。 2.【动、植】分类(法)。〔分类级别为： phylum 【动物；动物学】及 division 【植物；植物学】门，class 纲，order 目，family 科，genus 属，species 种，variety 品种〕。 3.类别；等级；(文件的)保密级。 a classification yard (车站的)调车场。
a hierarchical structure: 等级结构
hierarchical addresses: 分级地址
hierarchical addressing: 层次编址; 分层寻址

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例句与用法

Another useful ecological unit that cuts across this hierarchical classification is the life system .
另一个横贯这些等级分类有用的生态单元就是生命系统。
Then this paper presents a text classifier based on neural networks ( nntcs ) as the main topic . some key techniques implemented in this classifier , such as feature extraction , dimension reduction , hierarchical classification and classifier training , are discussed in details
然后着重介绍了一个基于神经网络的文本自动分类系统nntcs ，重点阐述了特征提取、空间降维、层次分类和分类器训练等技术的实现方法。
At the same time , because general hierarchical is not good on question classification , this paper proposes a new method for chinese question hierarchical classification . this method combines the key class features with the question syntactic features to classify questions . since this method extracts the syntax features and adds syntax information into question classification , at last , the precision of the coarse classes reaches 88 . 25 % and fine classes reaches 73 . 15 % , respectively improves nearly ten percent than the traditional hierarchy classification , proving this method is effective
本文针对文本分类和问题分类的差别,利用依存分析提取主干和疑问词及其附属成分,并结合主干关联词对,采用支持向量机分类器,此方法大大减少了问题分类的噪音,突出了问题分类的主要特征,并考虑了词与词之间的句法关系,取得了良好效果;同时,针对普通层次分类在问题分类上效果不理想的情况,本文提出了类别主特征结合句法特征的中文问题层次分类新思想,利用句法分析提取分类特征,在问题分类中融入了句法信息,总的准确率达到大类88 . 25 %和小类73 . 15 % ,比传统的层次分类分别提高了10个百分点,证明了此方法的有效性。
Based on the analysis of the main forest change types , a processing flow using multiresouce remote sensing data to detect forest changewas put forword , supported by gis technology . the classification system and methods for forest resourcewere also described . the overall and main species changes of forest were achieved by hierarchical classification and thematic extraction
在分析漳浦县森林资源变化组成的基础上，论述gis支持下多源遥感森林资源动态变化监测的流程，提出基于森林资源的遥感分类体系和分类方法，通过对漳浦县森林资源的动态变化进行分层识别，获得漳浦县森林资源变化的总体情况和主要地类(树种组)的具体变化情况。

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hierarchical classificationとは意味

hierarchical classification перевод

hierarchical classification中文什么意思

例句与用法

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