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第1,965行：
第1,965行： − 经典热力学或平衡热力学的理想化。一个主要的假设或假设，往往甚至没有明确说明，是系统的存在，在他们自己的内部状态的热力学平衡。一般来说，在给定时间内包含一个物理系统的空间区域---- 可能在自然界中找到---- 不是在热力学平衡中，用最严格的术语来解释。从更宽松的角度来说，整个宇宙中没有任何东西是或者曾经是完全精确的热力学平衡。+ − 第2,026行：
第2,025行： − − − −
→Non-equilibrium states
The theory of classical or equilibrium thermodynamics is idealized. A main postulate or assumption, often not even explicitly stated, is the existence of systems in their own internal states of thermodynamic equilibrium. In general, a region of space containing a physical system at a given time, that may be found in nature, is not in thermodynamic equilibrium, read in the most stringent terms. In looser terms, nothing in the entire universe is or has ever been truly in exact thermodynamic equilibrium.
The theory of classical or equilibrium thermodynamics is idealized. A main postulate or assumption, often not even explicitly stated, is the existence of systems in their own internal states of thermodynamic equilibrium. In general, a region of space containing a physical system at a given time, that may be found in nature, is not in thermodynamic equilibrium, read in the most stringent terms. In looser terms, nothing in the entire universe is or has ever been truly in exact thermodynamic equilibrium.
经典热力学或平衡热力学理论是理想化的。 其主要假定或假设(往往无明确说明)，是基于系统处在自身内部的热力学平衡状态。 通常，在自然界可能发现的，在给定时间包含物理系统的空间区域，其热力学平衡状态并不是能用最严格的术语来表示。 用较宽泛的术语来说，整个宇宙中没有任何东西是或曾经是真正处于精确的热力学平衡状态中。
宏观观测波动的物理学超出了本文的范围。
宏观观测波动的物理学超出了本文的范围。
==Arrow of time==
==Arrow of time==