tail fin meaning in English

n.
尾鳍；【航空】直尾翼；垂直安定面。

This should cover your tail fin
这个应该可以保护你
The fish ' s tail fin was hurt
这条鱼的尾鳍受伤了。
The november 12 crash of flight 587 in new york city , in which the tail fin , or vertical stabilizer , of an airbus a300 fell off , raised concerns about the increasing use of composites over metal
去年11月12日在纽约市坠毁的587号班机，是由于该架a300型空中巴士的尾翼，或称垂直平衡器，从机身脱落所致；因此有关复合材料日益取代金属的使用情况，引起大众关切。
In order to imitate tune tail fin better , a flexible fin only in chordwise is considered . results shows that flexibility can increase the propulsive efficiency and cause small decreases in the average thrust compared with a rigid caudal fin with similar motion . next , a comparison between the rectangle fin and the lunate fin is given
为了使数学模型更贴近生物模型，本文又将尾鳍处理为只考虑弦向变形而不考虑展向变形的柔性体，两者对比的结果表明，柔性翼使得平均推力减小，但是，对具有相同推力的柔性翼比刚性翼具有更高的效率。