entropy of a transformation

例句：

1. 1. The entropy of the universe is increasing at an exponential rate.
   宇宙的熵正在以指数速度增加。
2. 2.The entropy of a transformation is a measure of how much information is lost during the process.
   一个转换过程的熵是一个衡量在过程中丢失了多少信息量。
3. 3.The entropy of the universe is a fundamental concept in the study of thermodynamics.
   宇宙熵是热力学研究中的一个基本概念。