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You can also assign to a list, or to an element of a list. So ivy sub 1, f -15 or example, could be assigned minus 15, and that will actually mutate the list.
此外你还可以给一个数组，或者数组内部的元素赋值,比如ivy。sub，可以被赋值为，这确实改变了数组。
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and the same for favour, they spell f-a-v-o-r, we put u in it,
同样地，对于发烧这个单词，他们拼写成f-a-v-o-r，我们要加一个u在里面，
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> David: %f -- good question.
>，大卫：%f--好问题。
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Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.
想象下我有一个那种小雁颈台灯-,我把它放在桌子上，大概离桌子，有一英尺那么高吧,这样挺好的，我可以打开-,或者关闭这灯,并在这同时，我可以让我电脑,开始运行。
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F.D. stands for full disclosure -this is a SEC regulation.
.D.是指公司财务信息的完全披露,这是证交会的一项规定
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Maybe F = -kx should be called Newton's law?
也许应该把 F = -kx 称作牛顿定律
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We can't go C, D, D-sharp, F.
不能是C,D,升D,F
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There was a huge old insurrection called the Fronde, f-r-o-n-d-e.
有一起被称为投石党运动的起义
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And so this is the H-F bond in HF.
所以这是氟化氢中的氢氟共价键。
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which is f , divided by the value of the x-axis here.
斜率，而f是p趋于0时pV的极限。
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So these names, they don't really make any sense why they're called past s p and f, and it turns out that it comes from spectroscopy terms that are pre-quantum mechanics where, for example, this is called the sharp line, I think the principle, the diffuse, and the fundamental.
看到这些名字，你会发现,它们为什么叫s，p，f是没什么道理的，事实上,它们来源于,量子力学之前的光谱学中的术语，例如，它们分别叫做锐线，我认为是主线，漫射和基本。
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This time I'm not just saying --% 2f "%f" I'm actually saying % -- what -- %.2f.
这次我不只是讲“%f“,我要讲的是，%，--什么呢。
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In this case, I'm going to get back the answer 3 F-O-O because the user typed in F-O-O, but wait a minute, what's with this?
假若这样，我得到了答案3,因为用户输入了，等一下，用这个干吗？
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Let's bind z eh let's bind z to the-- f if I could type it would help-- say, f of 3. OK?
让我们给z赋值--如果我能打字就好了-,比方说？
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Here, print F, recalls a statement and just like in scratch, statements were these one-liners.
这里，printf，召回了一个语句,像在scratch中，语句是这些单行方式的。
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f-o-o If I type foo, I'll get back F-O-O.
如果我键入foo，我将取回。
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