| 单词 | feedback |
| 释义 | Word Frequency feedback(ˈfiːdˌbæk) noun 1. a. the return of part of the output of an electronic circuit, device, or mechanical system to its input, so modifying its characteristics. In negative feedback a rise in output energy reduces the input energy; in positive feedback an increase in output energy reinforces the input energy b. that part of the output signal fed back into the input 2. the return of part of the sound output by a loudspeaker to the microphone or pick-up so that a high-pitched whistle is produced 3. the whistling noise so produced 4. a. the effect of the product of a biological pathway on the rate of an earlier step in that pathway b. the substance or reaction causing such an effect, such as the release of a hormone in a biochemical pathway 5. information in response to an inquiry, experiment, etc there was little feedback from our questionnaire verb, adverb feed back 6. (transitive) to return (part of the output of a system) to its input 7. to offer or suggest (information, ideas, etc) in reaction to an inquiry, experiment, etc |
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