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。

youdao

Mr Burbage says that a programme as big as the F-35 is bound to attract barbs.

博比奇表示，像F - 35这样大的项目势必引来闲言碎语。

youdao

So today and Monday we're going to talk about two very big ideas and these ideas are associated with Sigmund Freud and B. F. Skinner and are psychoanalysis and behaviorism.

所以在今天和星期一，我们将学习两大心理理论，其代表人物分别是，西格蒙特·弗洛伊德和，伯尔赫斯·弗雷德里克·斯金纳，这两个理论便是精神分析理论，和行为主义理论。

youdao

f=0 I would write f of x is in big Oh of n squared.

我写下了。

麻省理工公开课 - 计算机科学及编程导论课程节选

So today and Monday we're going to talk about two very big ideas and these ideas are associated with Sigmund Freud and B. F. Skinner and are psychoanalysis and behaviorism.

所以在今天和星期一,我们将学习两大心理理论,其代表人物分别是,西格蒙特·弗洛伊德和,伯尔赫斯·弗雷德里克·斯金纳,这两个理论便是精神分析理论,和行为主义理论。

耶鲁公开课 - 心理学导论课程节选

Mr Burbage says that a programme as big as the F-35 is bound to attract barbs.

ECONOMIST: The defence industry

Louis, since it had lost out on a big order for the F-15 fighter.

FORBES: Yes, there is a pulse

Ford so far hasn't proven it has reduced its very high costs, and it has few product rollouts this year aside from its big truck, the F-150.

FORBES: Vehicles Feature