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phYSIcs

到底甚么是熵(entropy)????

谢了!!!

中庸

a measurement of disoder

神经质女王

Symbol S For a closed thermodynamic system, a quantitative measure of the amount of thermal energy not available to do work.
符号 S 熵：在封闭的热力体系中不能做功的一定数量的热能的计量单位

A measure of the disorder or randomness in a closed system.
随机计量单位：在封闭体系中对无序和随机的计量单位

A measure of the loss of information in a transmitted message.
转送信息缺损值：在转送信息中的信息缺损值

A hypothetical tendency for all matter and energy in the universe to evolve toward a state of inert uniformity.
退降：宇宙中物质和能量降值惰性均匀状态的一种假设性趋势

Inevitable and steady deterioration of a system or society.
恶化，败坏：系统或社会不可避免的无法逆转的恶化或败坏