So similarly, as we now move up only one more atom in the table, 3 so to an atomic number of three or lithium, now we're going from six variables all the way to nine variables.

类似地就像我们现在,移动到周期表中仅仅多一个电子的情况，移动到一个原子数为，或者锂元素,现在我们从6个变量到了9个变量。

麻省理工公开课 - 化学原理课程节选

To identify such factors, the researchers analysed how much an applicant's competence score was affected by nine different variables, including sex and whether or not the applicant knew a member of the reviewing committee.

ECONOMIST: Peer review