cooperating
  協同操作
  cooperating
  合作
  Co·öp·er·ate v. i. [imp. & p. p. Cooperated; p. pr. & vb. n. Cooperating.]  To act or operate jointly with another or others; to concur in action, effort, or effect.
     Whate'er cooperates to the common mirth.   --Crashaw.
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