closed system

短语

[计] 闭合系统 [化] 封闭系统

词形变化

closed systems 复数 closed systems

释义与例句

n.
  1. 1.

    A physical system whose interaction with its environment is limited to particular types of transfer, so that certain quantities are conserved within the system.

    化学 工程 物理
  2. 2.

    A system that can exchange heat and work, but not matter, with its surroundings.

    物理