ef·fec·tive /ɪˈfɛktɪv, ɛ, i-/
 (a.)有效的,有力的,實際的有生力量
 ef·fec·tive /ɪˈfɛktɪv/ 形容詞
 有效的,有作用的,有影響的,效應,效果,作用
 effective
 有效時間
 effective
 有效傳輸速率
 effective
 有效
 Ef·fect·ive a.  Having the power to produce an effect or effects; producing a decided or decisive effect; efficient; serviceable; operative; as, an effective force, remedy, speech; the effective men in a regiment.
    They are not effective of anything, nor leave no work behind them.   --Bacon.
    Whosoever is an effective, real cause of doing his heighbor wrong, is criminal.   --Jer. Taylor.
 Syn: -- Efficient; forcible; active; powerful; energetic; competent. See Effectual.
 Ef·fect·ive, n.
 1. That which produces a given effect; a cause.
 2. One who is capable of active service.
    He assembled his army -- 20,000 effectives -- at Corinth.   --W. P. Johnston.
 3.  Com. Specie or coin, as distinguished from paper currency; -- a term used in many parts of Europe.
 4. The serviceable soldiers in a country; an army or any military body, collectively; as, France's effective.
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 effective
      adj 1: producing or capable of producing an intended result or
             having a striking effect; "an air-cooled motor was
             more effective than a witch's broomstick for rapid
             long-distance transportation"-LewisMumford; "effective
             teaching methods"; "effective steps toward peace";
             "made an effective entrance"; "his complaint proved to
             be effectual in bringing action"; "an efficacious law"
             [syn: effectual, efficacious] [ant: ineffective]
      2: able to accomplish a purpose; functioning effectively;
         "people who will do nothing unless they get something out
         of it for themselves are often highly effective
         persons..."-G.B.Shaw; "effective personnel"; "an efficient
         secretary"; "the efficient cause of the revolution" [syn:
         efficient]
      3: works well as a means or remedy; "an effective reprimand";
         "a lotion that is effective in cases of prickly heat"
      4: exerting force or influence; "the law is effective
         immediately"; "a warranty good for two years"; "the law is
         already in effect (or in force)" [syn: good, in
         effect(p), in force(p)]
      5: existing in fact; not theoretical; real; "a decline in the
         effective demand"; "confused increased equipment and
         expenditure with the quantity of effective work done"
      6: equipped and ready for service; "the fort was held by about
         100 effective soldiers"