飞行器以发泡聚丙烯为主体，在其背部与两个升降舵补助翼（可以操控的界面）上有一个电动机。

The flying robots were built out of expanded polypropylene with a single motor at the rear and two elevons (control surfaces that enable steering).

youdao

飞行器以发泡聚丙烯为主体，在其背部与两个升降舵补助翼（可以操控的界面）上有一个电动机。

The flying robots were built out of expanded polypropylene with a single motor at the rear and two elevons (control surfaces that enable steering).

youdao