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A BTU is the amount of heat energy needed to raise the temperature of about one-half kilogram of a substance by one degree Fahrenheit.
VOA: special.2010.11.23
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Just like Fahrenheit measuring 96 degrees being a warm-blooded healthy man, right, that's not very accurate.
依然不太完美,回忆一下华氏温标,它把健康人的体温，定义为96华氏度。
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It turns out the U.S. and Jamaica are the only two places on Earth now that use the Fahrenheit scale.
事实上现在地球上,只有美国和牙买加这两个国家,还在使用华氏温标。
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- And now temperature in Fahrenheit -- 212 all right, let's go ahead and pick an easy one like 212, Enter, and indeed equals 100 in Celsius.
现在输入华氏温度-,好的，让我们选一个简单的，像，回车，确实等于100摄氏度。
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Why are all of us in this room why is that such an important thing?
为什么这间教室里所有的人,或华氏九十八点六度上下呢or 98. 6° Fahrenheit, 为什么维持体温如此重要呢
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We talked about the Celsius scale then the Fahrenheit scale.
下面我们继续来讨论温标,我们讨论过。
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That's how we got to the Fahrenheit scale.
。6度这就是华氏温标的来历。
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So this is how to get Celsius from Fahrenheit.
所以这个是怎么从华氏温度获得摄氏温度。
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The Fahrenheit scale is an interesting scale.
华氏温标是种有趣的温标。
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> How to get Celsius from Fahrenheit.
>，怎样从华氏温度获得摄氏温度。
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So temperature in Fahrenheit maybe with a space, just to get the aesthetics to look a little interesting.
华氏温度可能用一个间隔来，使其更加美观和有趣。
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Well, Fahrenheit came along and thought, well, you know, 7-1/2, that's kind of silly; 22-1/2 that's, kind of silly So let's multiply everything by four.
然后华伦海特来了，他想，7。5，听起来有些犯傻;,22。5，那也够傻的,我们还是把所有的东西乘以四吧。
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Mr. Fahrenheit, Daniel Gabriel Fahrenheit was a German instrument maker.
华伦海特先生，尼尔，加布里埃尔，华伦海特,是一位德国仪器制造师。
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So if you know a temperature F in Fahrenheit, you can output Celsius.
如果你知道一个华氏温度的温度值，你们输出摄氏温度。
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