To have a structure: such as first, second, third; geographically, north, south, east, west; compare and contrasts; our side versus their side; negative and positive;

要有一个结构：可以分一二三点；可以从地理上分东南西北；比较与对比；我方与他方；正面与反面；

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Compare with two different type of negative fabric, their performance of concentration stability to washing is studied.

并且通过比较两类负离子织物，分析他们之间的异同，特别是对耐洗次数的对负离子浓度的影响。

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So, if we compare the sulfur to the oxygen, the oxygen it turns out is more electronegative and that is what holds the negative charge in this molecule.

因此，如果我们来比一下硫和氧，氧应该有更高的电负性，而在这个分子中它确实有负的电荷。

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So, if we compare the sulfur to the oxygen, the oxygen it turns out is more electronegative and that is what holds the negative charge in this molecule.

因此，如果我们来比一下硫和氧，氧应该有更高的电负性,而在这个分子中它确实有负的电荷。

麻省理工公开课 - 化学原理课程节选

So, let's compare this to the energy of the h 2 molecule, and we find that that's negative 3,048 kilojoules per mole.

那么，让我们将它与氢分子的能量比一比，我们发现氢分子的能量是负的，3048，千焦每摩尔。

麻省理工公开课 - 化学原理课程节选

And if we do that calculation, what we find out is that the binding energy, in this case where we have no shielding, 72× is negative 8 . 7 2 times 10 to So, let's compare what we've just seen as our two extremes.

我们会发现结合，能在这个情况中，没有屏蔽，等于-8。,所以我们来对比一下,我们在两个极端的案例中看到了什么。

麻省理工公开课 - 化学原理课程节选

So if there are three possible drugs, all we need to do in order to figure out which one is right for you is to take 900 of you, put 300 of you on each drug for a few months, measure the effects on your health, both positive and negative, and compare the results.

FORBES: Why Personalized Medicine Is Bunk

And when turning to valuation, the metrics are difficult to compare to Apple because of their negative trends or projected earnings losses.

FORBES: Is Apple Really a "Has Been" Technology Titan?

For Boeing, the 25 Dreamliner cancellations compare with 19 orders so far this year, meaning the plane maker is in negative territory for its flagship plane.

BBC: Airbus and Boeing hit by plane cancellations