| 单词 | chopper |
| 释义 | chopper [`chäp·ǝr] ENGINEERING Any knife, axe, or mechanical device for chopping or cutting an object into segments. PHYSICS A device for interrupting an electric current, beam of light, or beam of infrared radiation at regular intervals, to permit amplification of the associated electrical quantity or signal by an alternating-current amplifier; also used to interrupt a continuous stream of neutrons to measure velocity. |
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