predicted ground speed

例句：

1. 1. The aircraft's predicted ground speed is 200 miles per hour.
   飞机预计的地面速度是每小时200英里。
2. 2. The project's estimated cost is $5 million, which is a predicted ground speed of $100 million.
   该项目的预估成本为500万美元，即预计的地面速度为1亿美元。
3. 3. The train's predicted ground speed is 60 miles per hour, which is faster than the previous model.
   火车预计的地面速度为每小时60英里，比之前的模型更快。