class frequency [数] 组频率 ; 组频次 ; 组次数 ; 组频度
logical class frequency [统计] 逻辑组频率
term class frequency 词类频率
DBH class frequency 胸径级频率
inverse class frequency 类别频率倒数
Fortunately, Lucene's IndexWriter class exposes three parameters to let you adjust the size of the buffer and the frequency of the disk writes.
幸运的是，Lucene的类IndexWriter提供了三个参数用来调整缓冲区的大小以及往磁盘上写索引文件的频率。
The motor vehicles insurance is the primary property insurance class, and one of its characteristics is the high accident frequency.
机动车辆保险是财产保险的主要险种，它的一个特点是出险频率高。
Design, products of high density frequency, cloth speed, high yield of single class.
变频设计，制品密实度高，布料速度快，单班产量高。
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