The long narrow delta shape of supersonic aircraft is an example of aesthetic functionalism, an extreme form of streamlining that is essential to minimize drag.
超音速飞机的长窄三角翼型设计是美观实用原则的代表，极度的流线型设计对于将阻力降到最低是必要的。
2
611 institute (Chengdu Aircraft Design institute) initiated studied on the "tailless delta-canard" wing planform as early as the late 1960s.
611所(成都飞机设计院)早在1960年代末就开始研究鸭式无尾三角翼布局飞行平台。
3
The Convair XF-92A was the first delta-winged aircraft for the United States.