riblets是riblet的复数
riblet
美 
英 
- 网络减阻技术;沟纹薄膜;减阻沟纹
 
复数:riblets  
n.  | 1. a piece of veal or lamb cut from the end of a rib 2. one of a series of tiny grooves incorporated into a material that can be applied to the exterior surface of aircraft or boats to reduce drag  |