effective wave slope

例句：

1. 1. The engineers designed a new model of the car to improve its effective wave slope.
   工程师们设计了一款新型汽车，以提高其有效波坡度。
2. 2.The company's new product has a higher effective wave slope than its competitors.
   该公司的新产品比竞争对手的有更高的有效波坡度。
3. 3. The research team focused on improving the effective wave slope of the material.
   研究团队专注于提高材料的有效性波坡度。