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单词 revolution per minute
释义 revolution per minute
[´rev·ǝ`lü·shǝn pǝr `min·ǝt]
MECHANICS
A unit of angular velocity equal to the uniform angular velocity of a body which rotates through an angle of 360° (2π radians), so that every point in the body returns to its original position, in 1 minute. Abbreviated rpm.
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