双语例句原声例句
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If you make an "OK" sign with your thumb and finger, that is the shape for the letter "f" in American sign language.
如果你用拇指和其他手指做一个 “OK” 的手势，那就是美国手语中字母 “f” 的形状。
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Partial f over partial x, and partial f over partial u, well, unless you believe that one equals two, they are really not the same thing, OK?
∂f/∂x和∂/f/∂u确实不一样，1当然不可能等于2嘛，这样来看，它们又是不一样的？
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OK, so this one means we keep y constant, and partial f over partial u with v held constant, similarly.
这个的意思是，保持y恒定，而这个的意思是，保持v恒定。
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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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Ok. You definitely should go to take the F train to Bergen Street.
好的。你一定要坐F线地铁去卑尔根市街看看。
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