面频数: face frequency number频数比: frequency ratio频数表: frequency table频数距: frequency moment频数图: frequency chart小频数: small frequencies组频数: class frequency边际频数: marginal frequency边际频数率: marginal frequency便意频数: constant urgency of defecation超新星频数: supernova rate大便频数: frequency of bowel movement调频数据: frequency-modulated data断续频数: interruption frequency二项频数表: double frequency table发病频数: disease frequency方格频数: cell frequency干旱频数: drought frequency高频数据链: hfdl high frequency data link观测频数: observed frequency观察频数: observed frequency航次频数: flight frequency河道频数: cha elfrequency; channel frequency河流频数: stream frequency频数;频率;次数: frequency频式听力计: frequency audiometer