英英释义
f number
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n.
the ratio of the focal length to the diameter of a (camera) lens system
同义词： focal ratio stop number speed
以上来源于: WordNet
柯林斯英汉双解大词典
f-number (also f number)
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1.
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
双语例句原声例句权威例句
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The elapsed time for completing the task becomes a function of the partition size f(1,000,000) versus a function of the total number of records to process f(100,000,000).
完成这项任务所耗的时间变成为分区大小的函数 f(1,000,000)，而不再是要处理的总记录数的函数 f(100,000,000)。
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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
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The -f option sets the maximum number of files, rounded to the nearest 16, for the cache directory.
f选项设置高速缓存目录的最大文件数目，按16进制舍入。
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So, for the most part any time we talk about or draw pointers an arrow suffices, which really 71 in there is a number like 71, which is the literal byte that the F is actually in in RAM, but frankly who cares?
所以，每次我们讨论,或者用箭头表示指针,在指针里面有一个数字，如,那是F在RAM中的字节，但是谁在乎它呢？
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So path number 1 went from i, f let's call this path up here. went to f, and this is how much energy change there was.
从i出发，经过路径1到达，能量的变化是这么多。
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And, that gives you a number for the fluorine, minus 0.29. Now, if you do the same for the hydrogen, you'll come up with the same number.
然后给出F的数字，负的0。29，如果同样的用H来计算，你会得到一样的答案。
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