responsiveness
  響應性; 易起反應
  re·spon·sive·ness 名詞
  應答性,反應性,機體對刺激的反應能力
  Re·spon·sive a.
  1. That responds; ready or inclined to respond.
  2. Suited to something else; correspondent.
     The vocal lay responsive to the strings.   --Pope.
  3. Responsible. [Obs.]
  -- Re*spon*sive*ly, adv. -- Re*spon*sive*ness, n.
  ◄ ►
  responsiveness
       n 1: responsive to stimulation [syn: reactivity]
       2: the quality of being responsive; reacting quickly; as a
          quality of people, it involves responding with emotion to
          people and events [ant: unresponsiveness]