NAA
abbr. 全国航空协会（National Aeronautic Association）；全国汽车协会（National Automobile Association）
例句
In contrast, NAA is nearly specific for Canavan disease.
相比之下，萘乙酸几乎是专门针对卡纳万病的。
Low concentration of NAA promoted it.
低浓度的NAA对诱导有促进作用。
But the fifth, Naa, was much smaller, and would only have been of local interest.
但第五个，Naa，相较而言就是小项目了，很可能只是某地特色的兴趣活动。
