Supersonic aircraft will not make all subsonic aircraft obsolete.
超音速飞机不会使所有亚音速飞机都淘汰。
2
It is a twin-seat, twin-engined aircraft with a variable geometry swing-wing that is capable supersonic flight at all levels.
这是一个双座位，可变几何摆动翼是能在各级超音速飞行的双引擎飞机。
3
Coupled IFFT algorithm and adaptive quadrature algorithm was employed to compute double integrals in the analytical solutions. All the subsonic, transonic and supersonic cases were computed.