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f number
[ˈef nʌmbə(r)]

  • 焦距值
  • 光圈数

网络释义英英释义

  有效F值

公民笔记工作坊(7)-填写公民笔记.JPG 的 EXIF 资讯 ... 曝光时间 (ExposureTime) 有效F值 (FNumber) 曝光软体 (ExposureProgram) ...

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  光圈指数

...求深度; 标定; 光圈指数; 深度估计 [gap=1071]Key words:computer vision; depth-from-defocus(DFD); calibration; F number; depth estimation ...

基于8个网页-相关网页

  焦距比数

... 几何螺距比 geometric pitch ratio; geometricpitch ratio 焦距比数 f number; f-number 螺距比(螺旋桨) pitch ratio ...

基于2个网页-相关网页

短语

F-number 焦比 ; 光圈值 ; 焦距比数

f-number stop-number 光圈号数

Lens F number 镜片焦距

series of f-number [摄] 光圈数系列

Effective F number 有效F值

Objective F number 物镜F值

f-number f 光圈数 ; 数

f-number space f数空间

F Number Forms 数字形式

 更多收起网络短语

f number

以上来源于: WordNet

 柯林斯英汉双解大词典 

f-number (also f number)

  • 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

  • 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).

    完成这项任务时间变成分区大小函数 f(1,000,000),而不再是要处理的记录的函数 f(100,000,000)。

    youdao

  • Sequence numbers that include other than hexadecimal number values (0-9, A-F)

    包含 16 进制数值 (0-9, A-F) 更多内容的序列号

    youdao

  • 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最大文件数目,按16进制舍入

    youdao

更多双语例句
  • 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?

    哈佛公开课 - 计算机科学课程节选

  • 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。

    麻省理工公开课 - 热力学与动力学课程节选

  • 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。

    麻省理工公开课 - 固态化学导论课程节选

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