图: picture; chart; drawing; map频次: frequency层次图: hierarchy chart三次图: cubic graph频次表: frequency table频次律: law of frequency引频次: total cites组频次: class frequency二次图像: secondary image二次图像树: qpt quadtatic picture tree二次图形显示: secondary graphical display出现频次: frequency of occurrence格内频次: cell frequency广告频次: frequency检查频次: frequency of checks频次多边图: frequency polygon频次分布: frequency distribution频次分布图: frequency distribution diagram频次分析: frequency analysis频次分析器: frequency analyzer频次特征: frequency characteristic频次直方图: frequency histogram使用频次: frequency of usage衰落频次: fading frequency有效频次: effective frequency
