More than 8 in 10 say mothers are just as productive at work as fathers or childless workers are.

10人中有8人说母亲在工作上同父亲和其他无子女的员工一样多产。

youdao

Finally, in Spain, some businesses maintain the pattern of working until about 2 o'clock and then returning to the office from 5:30 to 8:00, 9:00 or 10:00 in the evening.

最终，在西班牙，一些企业保持了这种工作模式，即一直工作到下午两点，然后到晚上五点半再上班，上到晚上八点、九点或者十点。

youdao

And finally, in Spain, some businesses maintain the pattern of working until about 2 o'clock and then returning to the office from 5:30 to 8:00, 9:00 or 10:00 in the evening.

最后，西班牙的一些公司保持这种工作模式，即一直工作到下午2点，然后在晚上5点半到8点、9点或10点返回办公室。

youdao

So we started with 10 valence electrons, we used up 8 of those electrons in terms of making bonds.

我们一开始有十个价电子，然后用掉了八个电子来成键。

麻省理工公开课 - 化学原理课程节选

And carbon 14, 6 again and it has 8, and it is found in vanishingly small amounts, 10 10 to the minus 12 or part per trillion.

碳14，6个质子，8个中子，它的存在是非常微小的，几乎趋于零，万亿分之。

麻省理工公开课 - 固态化学导论课程节选

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