mode superposition method

例句：

1. 1. The superposition method is used to solve complex problems by breaking them down into simpler parts.
   叠加法用于通过将复杂问题分解为更简单的部分来解决复杂的问题。
2. 2. In the superposition method, the two waves are considered to be in phase with each other.
   在叠加法中，两个波被认为是彼此相位一致的。
3. 3. The superposition method is a useful tool for analyzing the behavior of materials under different conditions.
   叠加法是一种有用的工具，用于分析材料在不同条件下的行为。