Feedback



GRE 考研

解释

GRE 红宝书

• n. ( 信息的) 反馈
• ［英］ n. ( 信息的) 反馈 ( a response)
• ［记］ 组合词: feed ( 喂养, 馈给) +back ( 反) -> 反馈

Webster Collegiate

knoun

• Date: 1919
• 1. the return to the input of a part of the output of a machine, system, or process (as for producing changes in an electronic circuit that improve performance or in an automatic control device that provide self-corrective action)
• 2.
  • a. the partial reversion of the effects of a process to its source or to a preceding stage
  • b. the transmission of evaluative or corrective information about an action, event, or process to the original or controlling source; also the information so transmitted
• 3. a rumbling, whining, or whistling sound resulting from an amplified or broadcast signal (as music or speech) that has been returned as input and retransmitted

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