scale-invariant theory

例句：

1. 1. The scale-invariant theory is a fundamental concept in computer graphics.
   尺度不变理论是计算机图形学中的一个基本概念。
2. 2.The invariant theory has been used to explain the behavior of materials under different temperatures.
   不变理论已被用来解释材料在不同温度下的行为。
3. 3. The researchers proposed a new scale-invariant theory to improve the accuracy of their model.
   研究人员提出了一种新的尺度不变理论，以提高他们模型的准确性。