abbr.Tetranitro-Aniline 四硝基苯胺;
例句:
TNA 001, revised flight level three three zero.
复兴洞洞么, 修正飞航空层三三洞.
Reducing to minimum, contact tower on 118.1, TNA 001.
减低速度至最低进场空度, 联系塔台118.1,复兴洞洞么.
METHODS: The problems existing in the preparation of TNA were discussed and the reasons were ana ˉ lyzed.
方法: 针对TNA配制过程中存在的问题探讨其原因.