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单词 open system
释义
open system
Chemical Engineering

  • A process in which both material and energy are transferred across a defined system boundary. A continuous process is an example of an open system. Compare closed system.

Computer

  • Any system in which the components conform to nonproprietary standards rather than to the standards of a specific supplier of hardware or software.

Geology and Earth Sciences

  • In geomorphology, a system in which both energy and matter enter and leave across the system boundary.

Geography

  • A system that is not separated from its environment, but exchanges material or energy with it. Trudgill and Briggs (1977) PPG 1 see soil as an open system; see Nordstrom (1994) PPG 18 on an open system model of beach change, and Douglas (1981) PPG 5 on the city as ‘an integrated open system of living things interacting with their physical environment’.
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