free levitation method

例句：

1. 1.This method is widely used in the field of aerospace engineering.
   这种方法在航空航天工程领域广泛应用。
2. 2. The free levitation method has been proven to be effective in reducing energy consumption.
   自由悬浮法已被证明能有效降低能源消耗。
3. 3. The researchers have developed a new model based on the free levitation method.
   研究人员基于自由悬浮法开发了一种新的模型。