Compared with Manson-Coffin equation, the formula is more accurate and applicable. It is not only providing a convenience to solve the practical problem, but also innovating in theory.

• 与Manson-coffin公式相比，公式具有的准确性和适用性，不仅为工程实际问题的解决提供了方便，而且在理论上具有创新性。