Comparate with the available experiment value, it shows that the calculate result is lower, due to the lack of the consideration of quantum effects.

通过跟有效的实验结果对比，发现计算结果略低于实验值，这可能是由于在计算中没有考虑量子效应而导致的。

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In 1998 astronomers discovered that the universe's expansion is accelerating at a rate consistent with a cosmological constant 10-120 times the value predicted by quantum theory.

天文学家于1998年发现到宇宙正在加速膨胀，但其加速度所对应到的宇宙常数，却是量子理论预测值的10 - 120倍。

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Most of the quantum cutting systems hitherto is fluoride, which have no practical value due to their low stability, low absorbability and low energy conversion efficiency under VUV exciting.

科学家们已经证实的量子剪裁体系多为氟化物，由于它们在VUV下的不稳定性和氟化物的活性，以及氟化物基质在VUV波段的弱吸收、能量转换效率低，所以没有实际应用价值。

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And when we talk about l it is a quantum number, so because it's a quantum number, we know that it can only have discreet values, it can't just be any value we want, it's very specific values.

当我们讲，l是一个量子数时，因为它是量子数，我们知道，它只能去分立的值，它不能取到所有的数，它取一些确定的数。

麻省理工公开课 - 化学原理课程节选

Core electrons are all those electrons held in really tight with the nucleus in the inner shells, whereas the valence electrons are only those electrons that are in the outer-most shell, or at your highest value of n of the principal quantum number.

芯电子是那些,在内壳层被原子核束缚得非常紧的电子，而价电子只包括,最外层的电子，或者说主量子数，n，的值最大的那些电子。

麻省理工公开课 - 化学原理课程节选

The other main difference that we're really going to get to today is that in multi-electron atoms, orbital energies depend not just on the shell, which is what we saw before, not just on the value of n, but also on the angular momentum quantum l number. So they also depend on the sub-shell or l.

我们今天要讨论的,另一个很重要的区别就是,在多电子原子中，轨道能力不仅仅依赖于，我们以前看到的外层，不仅仅依赖于n的值，而是与角动量量子数也有关系,所以它们也依赖于亚外层或者。

麻省理工公开课 - 化学原理课程节选