【f-_number】什么意思_英语f-_number的翻译_音标_读音_用法_例句_在线翻译

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

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)。

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的最大文件数目，按16进制舍入。

youdao
A large opening (small f-stop number) gives you a very shallow DOF, and a small opening (big f-stop number) gives you a much deeper DOF.

一个大洞的开启(小f值)会带给你浅度景深，而一个小的开启(大f值)则会给你一个深度景深。

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更多双语例句

An end-of-year report by Finnish software security company F-Secure highlights the growing number of hackers targeting Apple systems with malicious software, some of which could allow cybercriminals to steal security passwords.

FORBES: Apples For The Army
Although the number of F-22 fighters was capped at 187, the Air Force would increase its long-range strike capabilities by 50 percent and the penetrating component of long-range strike by a factor of five by 2025.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Measure of a Superpower: A Two Major Regional Contingency Military for the 21st Century | Page: 2
The Navy insists that it supports the plan of record for the Lockheed Martin plane, but it has already restructured the program once and now is studying whether the number of F-35s in carrier air wings should be cut due to cost constraints.

FORBES: Outcome Of Three Programs Will Drive Defense Sector Consolidation

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f number
英 [ˈef nʌmbə(r)]