单词 | black box |
释义 | black box 1. any unit that forms part of an electronic circuit and that has its function, but not its components, specified. 2. any comparatively small, usually black, box containing a secret, mysterious, or complex mechanical or electronic device. 3. Aeron. an electronic device, such as a flight recorder, that can be removed from an aircraft as a single package. 4. Auto. a device in an electronic ignition system that generates electrical pulses. [1940-45] |
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