英语词汇有效的读音、翻译及短语词组释义-英汉双解词典-求索网

单词	有效
释义	有效availability be good for efficiency hold hold true in effect 【计】 AV significance 【经】 be available in force 相关词组:行动有效行之有效有效的有效地有效负荷有效果的有效力的有效率的有效期有效性有效值
随便看	first normal form first notice day first obligation first of all first of exchange first offence first offender first open water first operand first order first-order asymmetric transformation first-order dependence first-order derivative first-order difference equation first-order differential equation first-order directional focusing mass spectrometer first-order dynamic logic first-order equation first-order language first order logic first-order logic first-order modal logic first order phase transformation first order phase transition first-order predicate calculus

英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。