In molecular orbital theory, we named orbits based on their symmetry.

在分子轨道理论中，我们基于轨道的对称性给它们命名。

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Today we're talking about molecular orbital theory.

今天我们要讲的是分子轨道理论。

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So, molecular orbital theory, on the other hand, is based on quantum mechanics.

另一方面分子轨道理论，是基于量子力学的。

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You might have thought before we started talking about molecular orbital theory that non-bonding was the opposite of bonding, it's not, anti-bonding is the opposite of bonding, and anti-bonding is not non-bonding.

你也许在我们讨论分子轨道之前,就想过非成键时成键的反面，它不是，反键才是成键的反面，反键不是非成键。

麻省理工公开课 - 化学原理课程节选

Whereas in molecular orbital theory, what I'm telling you is instead we understand that the electrons are spread all over the molecule, they're not just associated with a single atom or a single bond.

而在分子轨道理论里，我要告诉你们的时,我们任为电子分布在整个分子中,它们不仅仅是和,一个原子或者一个键有关。

麻省理工公开课 - 化学原理课程节选

All right, so we can now see a little bit of what the power of molecular orbital theory is in predicting what kind of bonds we're going to see in molecules, or whether or not we'll see this bonding occur at all.

好了，我们已经可以看到一点,分子轨道理论在预测分子中,所成的键或者分子，能不能成键方面的能力了。

麻省理工公开课 - 化学原理课程节选

There is no way that anyone could conclude from observational data or mathematical theory, that the 204 billion atom molecular database, the human DNA molecule could come about by any means but intentional , highly technical, design.

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They also encourage teachers to discuss with their students such things as gaps in the fossil record, molecular evidence, that they say raises questions about the theory of evolution.

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One possibility is that the amyloid theory is right, but that the Eli Lilly drug is flawed and did not hit the proper molecular target, and ended up merely causing toxicity.

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