And if we put that in our bond here, we have 1, 2, 3 bonds, plus we have one lone pair left over.

如果我们把它们放到键里，我们有1，2，3个键，还剩下一对孤对在这里。

化学原理课程节选 : 麻省理工公开课

All right, so the bonding order, you're correct, should be 2, if we subtract the number of bonding minus anti-bonding electrons and take that in 1/2.

好，你们是对的，键序为，如果我们用成键数,减去反键数除以2。

化学原理课程节选 : 麻省理工公开课

Then if you fast forward to 2005 and look at the average return that was posted for 2000,it was +1.2%.

如果把时间快进至2005,5年后公报的2000年平均收益,变成了1.2%

金融市场课程节选 : 耶鲁公开课