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单词 lever escapement
释义

WordReference Random House Unabridged Dictionary of American English © 2024
lever escape′ment, [Horol.]
  1. Timean escapement in which a pivoted lever, made to oscillate by the escape wheel, engages a balance staff and causes it to oscillate.
  • 1830–40

WordReference Random House Unabridged Dictionary of American English © 2024
es•cape•ment  (i skāpmənt),USA pronunciation n. 
  1. Time[Horol.]the portion of a watch or clock that measures beats and controls the speed of the going train. Cf. anchor escapement, deadbeat (def. 1), lever escapement. 
  2. a mechanism for regulating the motion of a typewriter carriage, consisting of pawls and a toothed wheel or rack.
  3. Music and Dancea mechanism in a piano that causes a hammer to fall back into rest position immediately after striking a string.
  4. an act of escaping.
  5. [Archaic.]a way of escape;
    outlet.
  • escape + -ment (calque of French échappement 1730–40

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