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单词 conservation of energy
释义

WordReference Random House Unabridged Dictionary of American English © 2024
conservation of energy, [Physics.]
  1. Physicsthe principle that in a system that does not undergo any force from outside the system, the amount of energy is constant, irrespective of its changes in form. Also called law of conservation of energy. 
  • 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::
conservation of energy n
  1. the principle that the total energy of any isolated system is constant and independent of any changes occurring within the system
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