两个，OK，很好，同样的，我们会看到键序是0。
PROFESSOR: Two. OK, good. So again, we're going to see that we have a bonding order of 0.
我想要说的是我们如果，只考虑价电子也可以得到相同的键序。
So what I want to tell you is we also always get the same bond order if we instead only deal with the valence electrons.
当温度接近T_D时，共振价键序参量迅速减为零。
When t approaches T_D the RVB order parameter decreases rapidly to zero.
让我们证明一下这一点，来看看只用价电子算出键序。
So let's just prove that to ourselves and figure out the bond order just using valence electrons.
以优化构型为基础计算其电荷密度、自旋密度、键序和电子光谱。
On the basis of optimized geometries, the charge densities, spin density, bond orders and electronic spectra of above molecule and cation have been calculated.
得到了它们的基态能量，基态自旋多重度，分子轨道组成与能级，电荷分布与键序。
The total energies, spin multiplicities, charge distribution, bond orders, the front molecular orbital compositions and orbital energies have been obtained.
索引也是一种DB 2对象(一个单独的VSAM数据集)，它由一组排好序的键组成，这些键是从相应表中的一个列或多个列抽取出来的。
An index is a DB2 object (a separate VSAM dataset) that is comprised of an ordered set of keys extracted from one or more columns of the corresponding table.
索引也是一种DB 2对象(一个单独的VSAM数据集)，它由一组排好序的键组成，这些键是从相应表中的一个列或多个列抽取出来的。
An index is a DB2 object (a separate VSAM dataset) that is comprised of an ordered set of keys extracted from one or more columns of the corresponding table.
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