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Szekeres · source-snapshot-bc3404156f6e
已登记出处中的最早位置：§16.4 · zh-CN。
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§16.4 · zh-CN · translation · unreviewed
我们还将把热力学系统视为被限制在某些“围壁”之内，这些围壁可视为三维空间中的闭区域。最重要的是，若平衡态只能通过机械手段对系统做功（可逆或不可逆）而受到扰动，例如活塞的运动或搅拌器的旋转，则称系统 处于 绝热围壁(adiabatic enclosure) 中。在所有情形下，处于绝热围壁中的系统在状态之间的转变称为 绝热过程(adiabatic process)。
§16.4 · en · original_transcription · unreviewed
We will also think of thermodynamic systems as being confined to certain ‘enclosures’, to be thought of as closed regions of three-dimensional space. Most importantly, a system is said to be in an adiabatic enclosure if equilibrium states can only be disturbed by doing work on the system through mechanical means (reversible or irreversible), such as the movement of a piston or the rotation of a stirrer. In all cases, transitions between states of a system in an adiabatic enclosure are called adiabatic processes.