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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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