资料来源 : pyDict

有效的,有力的,实际的有生力量

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Effective \Ef*fect"ive\, n.
   The serviceable soldiers in a country; an army or any
   military body, collectively; as, France's effective.

Effective \Ef*fect"ive\, n.
   1. That which produces a given effect; a cause. --Jer.
      Taylor.

   2. One who is capable of active service.

            He assembled his army -- 20,000 effectives -- at
            Corinth.                              --W. P.
                                                  Johnston.

   3. [F. effectif real, effective, real amount.] (Com.) Specie
      or coin, as distinguished from paper currency; -- a term
      used in many parts of Europe. --Simmonds.

Effective \Ef*fect"ive\, a. [L. effectivus: cf. F. effectif.]
   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}.

资料来源 : WordNet®

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"