然而在实际中,这种态度会适得其反。
In practice, however, such an attitude is counterproductive.
它于梦想而非实际中存在。
然而,这种说法在实际中鲜有成立。
And in practical terms, we can define the efficiency as the ratio of the heat in to the work out.
在实际中,我们定义,效率为热与功的比值。
And then, if you go the real sodium chloride crystal and you do this same calculation but in three-dimensions.
接下来,如果回到实际的氯化钠晶体中,你们做同样的计算,但是是在三维中。
Now let's take this information and put it in the context of what a day's fat and calorie intake might be like.
现在让我们把刚才的知识运用到实际中,我们一天脂肪和卡路里摄入量是多少
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