1) co-occurrence frequency
同现频率
1.
The paper extracts the text features based on a method of word co-occurrence frequency,which is related to the semantics of document.
本文基于词的同现频率的方法对文本的特征进行提取,涉及了文档的语义。
2) word co-occurrence
词同现频率
1.
Text feature description based on word co-occurrence;
基于词同现频率的文本特征描述
4) paragraph co-occurrence frequency(PCF)
段落同现频率
5) Occurrence frequency
出现频率
1.
The results show that the occurrence frequency with force two~four sea conition is 80.
结果表明,这个海域2～4级海况的出现频率占80。
6) frequency phenomena
频率现象
1.
Through analysis of primary resonance, superharmonic resonance and combination resonance, and therefore some frequency phenomena in laser breeding are explained.
并进行了主共振、超谐波共振及组合共振的分析 ,从而进一步解释了激光育种中的频率现象。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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