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以上来源于: WordNet
N the numerical value of the relative aperture. If the relative aperture is f8, 8 is the f-number and indicates that the focal length of the lens is 8 times the size of the lens aperture 焦距比数 [photog] → see also T-number
It suggested cancelling the STOVL version of the F-35 and cutting the rest of its order by half, while buying cheaper F-16s and F-18s to keep numbers up.
它建议取消短距起飞/垂直降落型（STOVL）F-35飞机，并将剩余订单裁减一半，转而购买更为廉价的F-16和F-18，以增加战斗机的数量。
Sequence numbers that include other than hexadecimal number values (0-9, A-F)
包含比 16 进制数值 (0-9, A-F) 更多内容的序列号
It's my opinion that because the photos with the low f numbers feel more intimate and personal, they get a better viewer response.
我个人认为，光圈F值比较小的相片感觉更加亲切，这就是这类相片为何更受欢迎的原因。
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