Gaussian optics

例句：

1. 1.The Gaussian optics model is widely used in the field of optical design.
   高斯光学模型在光学设计领域得到了广泛应用。
2. 2.In Gaussian optics, light rays are described by their intensity distribution.
   在高斯光学中，光射线通过其强度分布来描述。
3. 3. The Gaussian optics theory has been proven to be effective in solving practical problems.
   高斯光学理论已被证明在解决实际问题中是有效的。