drag-weight ratio

例句：

1. 1. The engineer calculated the drag-weight ratio of the aircraft to optimize its performance.
   工程师计算了飞机的拖曳重量比以优化其性能。
2. 2.The company's new product has a higher drag-weight ratio, making it more energy-efficient.
   公司的新产品具有更高的拖曳重量比，使其更加节能。
3. 3.The team analyzed the drag-weight ratio of different materials to determine which one would be best for their project.
   团队分析了不同材料的拖曳重量比，以确定哪种材料最适合他们的项目。