The A.F.L.also opposed extremists who used labor protests to change the social system.

VOA: special.2010.05.06

For an f orbital, what is the quantum number l equal to?

对于一个，f，轨道，它的角量子数，l，等于几？

麻省理工公开课 - 化学原理课程节选

Led by Samuel Gompers, the A.F.L.was different from earlier labor groups.

VOA: special.2010.05.06

But no N.F.L.teams showed immediate interest in having him play.

VOA: special.2009.08.01

The Colts defeated the Chicago Bears for the N.F.L.championship.

VOA: special.2010.02.05

What the A.F.L.called for were things workers wanted immediately.

VOA: special.2010.05.06

The A.F.L.was different in other ways.

VOA: special.2010.05.06