| 单词 | impulse |
| 释义 | impulse [`im´pǝls] MECHANICS The integral of a force over an interval of time. METALLURGY A single pulse or several pulses in welding current used in resistance welding. PHYSICS A pulse which lasts for so short a time that its duration can be thought of as infinitesimal. PSYCHOLOGY A sudden psychogenic urge to act. |
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