System and surroundings The collection of matter thus specified 1s called a thermodynamic system, and everything external to the system that has relation with the system is called the surroundings or the environment 4上一内容下一内容◇回主目录 返回 2021/223上一内容 下一内容 回主目录 返回 2021/2/23 System and surroundings The collection of matter thus specified is called a thermodynamic system, and everything external to the system that has relation with the system is called the surroundings or the environment