| 单词 | closed system |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔congeal〕His thought lost its vivacity, congealing into a closed system.他的思想失去了活力,结果僵化成为闭塞的思想体系。英汉大词典〔entropy〕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美国传统〔hydronic〕Of or relating to a heating or cooling system that transfers heat by circulating a fluid through a closed system of pipes.蒸气管式的；水冷式的：加热或是冷却系统的或与其相关的，此类系统可以藉由将液体导入水管组成的密闭系统使其循环以传递热量美国传统〔perpetual motion〕The hypothetical continuous operation of an isolated mechanical device or other closed system without a sustaining energy source.永恒运动：一种奇特的机械设备或其它封闭系统，无需提供能量而永恒不断地运转美国传统 |
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