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单词 center of gravity
释义 center of gravity
  1.  Mech.   the point through which the resultant of gravitational forces on a body passes and from which the resultant force of attraction of the body on other bodies emanates: coincident with the center of mass in a uniform gravitational field.
  2. a person, thing, or idea that is the vital or pivotal focus of interest or activity within a larger entity.
 [1650-60]
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更新时间:2024/12/23 19:14:13