mean lift force

例句：

1. 1.The aircraft's mean lift force is measured in Newtons.
   这架飞机的平均提升力以牛顿为单位测量。
2. 2. The new engine has a higher mean lift force than the old one.
   新发动机的平均值提升力比旧的要高。
3. 3.The team needs to find a way to increase their mean lift force without compromising safety.
   团队需要找到一种方法来提高他们的平均提升力，而不牺牲安全。