air-gap method

例句：

1. 1.The researchers used an air-gap method to study the behavior of electrons in a vacuum.
   研究人员使用一种空气间隙法来研究电子在真空中的行为。
2. 2.This air-gap method is particularly useful for studying the interaction between two objects.
   这种空气间隙方法特别适用于研究两个物体之间的相互作用。
3. 3.The air-gap method has proven to be effective in reducing power consumption and improving efficiency.
   空气间隙方法已被证明能有效降低功耗和提高效率。