doublet aerial

例句：

1. 1. The doublet aerial design is an innovative approach to reducing wind resistance.
   双层翼型设计是一种创新的方法，用于减少风阻。
2. 2. The aircraft's doublet aerials are designed to improve lift and reduce drag.
   飞机的双层翼型旨在提高升力并减少阻力。
3. 3. The doublet aerials on the wings of the aircraft are made from lightweight materials for maximum efficiency.
   飞机翅膀上的双层翼型由轻质材料制成，以实现最大效率。