Sorting out systems Based on the relation of sys. and surr systems are defined as: (1) open system 环境 surroundings 物质交换 Matter exchange 开体系 Energy transfer openl system 能量交换 敞开体亲 4上一内容下一内容令回主目录 返回 2021/2/21上一内容 下一内容 回主目录 返回 2021/2/21 Sorting out systems Based on the relation of sys. and surr. systems are defined as： （1）open system Matter exchange Energy transfer