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单词 conservation
释义 Noun: conservation  `kónsur'veyshun
  1. An occurrence of improvement by virtue of preventing loss or injury or other change
    - preservation 
  2. The preservation and careful management of the environment and of natural resources 
  3. (physics) the maintenance of a certain quantities unchanged during chemical reactions or physical transformations

Derived forms: conservations

See also: conservationist, conserve

Type of: advance, betterment, improvement, preservation, principle, saving

Encyclopedia: Conservation

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