适用 suit; apply to; suitable for use 勤俭节约的原则适用于一切事业。 the principle of diligence and frugality applies to all undertakings.; 适用范围 scope of application; sphere of application; applicability; 适用技术 appropriate [applicable] technology
有效 effective; valid; efficacious 采取有效措施 take effective measures; 这张车票3日内有效。 this train ticket is valid for three days.; 有效半径 effective radius; 有效保险 insurance in force; 有效成分 active principle; active constituent; 有效范围 effective range; limits of validity; 有效功率 effective power; 有效能 available energy; 有效时间 effective time; net time; 有效寿命 useful life; actual life; 有效数字 significant digit; significant figure; 有效载荷 payload
不适用 inadequacy; inapplicability; na not a licable; unserviceable