数: frequently; repeatedly光圈数: F-number; f-number数, 光圈数: f-number光圈数: f-number; fn; stop number等效光圈数: equivalent f number光圈数系列: series of f-number圈数: number of turns; cylinder number数: 数副词(屡次) frequently; repeatedly 频数 many times 光圈: iris diaphragm; iris aperture; light ring; stop; halo◇光圈挡片 aperture plate; 光圈快门 diaphragm shutter; 光圈数 f-number; f-number维(数)，度(数): d dimension次圈数: minor cycles圈数字: circling the numbers线圈数: number of stitches主圈数: major cycles总圈数: number of total coils; total number of coilschurch数: church encodingf-数: f-numberstirling数: stirling number数 (数学): number数 (语法): grammatical number数,点数: count数，数量: quantity数，数字: number【摄影】光圈。: iris diaphragm变光圈: manipulation of diaphragm
