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。
So, how would you like it if the principal put your name on a list, put a big fat "f" next to it and then posted it outside his office for all to see.
那么，如果你的校长将你的名字列入一张名单中，后面缀上大大的“F”，贴在办公室外面让所有人都看见。
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。
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。
And, as the CEO of F-35 builder Lockheed Martin told Congress, that trillion-dollar estimate is based on a big change in how the Pentagon estimates the Joint Strike Fighter's costs.
作为F - 35的生产商，洛克希德。马丁公司告诉国会，一万亿美元的估计是基于五角大楼对联合打击战机费用预测方法的一次大变化。
Normally, a mockup of the F-117A wouldn't be a very big deal, but this one is in the middle of Luoyang, China.
通常情况下，117a号样机的F-不会是一个非常大问题，但是这一次是在中国，中间洛阳。
Parker: Sometimes we'll get through two weeks and we're like, 'F- - -, this whole story was a worldwide crisis and then there's another big worldwide crisis.
帕克：有时候我们会做完两个星期，然后就觉得：“（哔----），这整个故事就是一个接一个的世界性危机。”
When you visit London, o neo f the first things you will see is Big Ben.
当你去伦敦旅游时，第一件事情是去看看大笨钟。
The caprock with big thickness owns strong capillary sealing ability, can form abnormal pore f…
断层封闭可以恢复盖层的质量和分布的连续性。
Andy always shows up as a millionaire in front of his new G. F. but he's just a nine-to-fiver-this is so said big hat, no cattle!
安迪经常在他新交的女朋友面前装成百万富翁，实际上他只不过是一个朝九晚五的工薪族，这真是打肿脸充胖子！
Andy always shows up as a millionaire in front of his new G. F. but he's just a nine-to-fiver-this is so said big hat, no cattle!
安迪经常在他新交的女朋友面前装成百万富翁，实际上他只不过是一个朝九晚五的工薪族，这真是打肿脸充胖子！
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