英语词汇ecofact的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	ecofact
释义	ecofact ['i:k?uf?kt] 释义 n. [考古学]生态因素; 生态证据(如骨、种子等)
随便看	effective roughness effective rudder angle effective runway gradient effectives effective safety measures effective sale effective sales effective salinity effective sample size effective sampling area effective saving effective scanning effective scanning line effective scanning periodic ratio effective scattering cross-section effective scattering mass effective screening area effective screw length effective sealing width of gasket effective search speed effective search width effective secondary emission factor effective section effective sectional area effective-sectional area

英汉双解词典包含4367426条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。