per·for·mance /pə(r)ˈfɔrmən(t)s/
 U履行,執行;C表演,演出;U性能,特性
 performance
 成本效益比
 performance
 高效設備
 performance
 低效設備
 PERFORMANCE
 PERFORMANCE命令
 performance
 性能;效能;效率;實績 PERF
 performance
 效能 績效
 Per·form·ance n. The act of performing; the carrying into execution or action; execution; achievement; accomplishment; representation by action; as, the performance of an undertaking of a duty.
    Promises are not binding where the performance is impossible.   --Paley.
 2. That which is performed or accomplished; a thing done or carried through; an achievement; a deed; an act; a feat; esp., an action of an elaborate or public character. “Her walking and other actual performances.” --Shak. “His musical performances.” --Macaulay.
 Syn: -- Completion; consummation; execution; accomplishment; achievement; production; work; act; action; deed; exploit; feat.
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 performance
      n 1: a dramatic or musical entertainment; "they listened to ten
           different performances"; "the play ran for 100
           performances"; "the frequent performances of the
           symphony testify to its popularity" [syn: public
           presentation]
      2: the act of performing; of doing something successfully;
         using knowledge as distinguished from merely possessing
         it; "they criticised his performance as mayor";
         "experience generally improves performance" [syn: execution,
          carrying out, carrying into action]
      3: the act of presenting a play or a piece of music or other
         entertainment; "we congratulated him on his performance at
         the rehearsal"; "an inspired performance of Mozart's C
         minor concerto"
      4: process or manner of functioning or operating; "the power of
         its engine determine its operation"; "the plane's
         operation in high winds"; "they compared the cooking
         performance of each oven"; "the jet's performance
         conformed to high standards" [syn: operation, functioning]
      5: any recognized accomplishment; "they admired his performance
         under stress"; "when Roger Maris powered four home runs in
         one game his performance merits awe"