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You could run the reaction, take solid iron gaseous oxygen, form iron oxide, measure the heat of formation of it, tabulate it.
你可以进行一个反应,用固态铁和氧气生成氧化铁，测量它的生成热，列成表格。
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Well, if I go through that, the wavelength of such a photon is going to be so big that I am back to measuring the dimension of the human hair with the yardstick.
好的，如果我做完了这个，那个一光子的的波长将成为,我将回头测量的,用一个尺度测量出人头发的尺寸。
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He didn't want to use negative numbers To measure temperature in Denmark outside.
他可不想用负数,来测量丹麦室外的温度。
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Since that time, PES we've been able to actually measure these bond strengths by PES, photoelectron spectroscopy.
自从那时，我们就能够用,测量键的强度，光电子能谱。
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If I want to get down to very, very fine dimensions, I have to bring huge energy and disturb the very thing I am going to measure.
如果我想认真处理很精确很精确的度量，我需要用巨大的能量,但是弄乱我将测量的东西。
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What we're really going to do in practice is we're going to measure, we're going to use our thermometer and say great, how much did the temperature change, right.
H1是零,实际上我们要做的,是用我们的温度计,测量温度改变了多少。
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If I look at a homonuclear molecule such as molecular hydrogen, this is perfect sharing.
如果我用这个测量表测氢分子,完全平均共价的分子。
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