| 单词 | entropy |
| 释义 | Word Frequency entropy(ˈɛntrəpɪ) nounWord forms: plural -pies 1. a thermodynamic quantity that changes in a reversible process by an amount equal to the heat absorbed or emitted divided by the thermodynamic temperature. It is measured in joules per kelvin Symbol: S. See also law of thermodynamics 2. a statistical measure of the disorder of a closed system expressed by S = k log P + c where P is the probability that a particular state of the system exists, k is the Boltzmann constant, and c is another constant 3. lack of pattern or organization; disorder 4. a measure of the efficiency of a system, such as a code or language, in transmitting information Word origin C19: from en-2 + -trope |
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