One is simply the city's initials, L.A.

VOA: special.2011.07.24

This man also had the initials J.J. as in J.J. Thompson.

这个人名字的缩写也是J。J。

麻省理工公开课 - 固态化学导论课程节选

African-American sprinter Sanya Richards, who won the women's says she is proud to wear Owens' initials on her chest.

VOA: standard.2009.08.19

Seventy-three years later, American athletes are competing in the same stadium where Owens put on his iconic performance and USA Track & Field is recognizing the occasion by adding the initials "JO" above the heart on the team's uniforms.

VOA: standard.2009.08.19