Ethen.埃特(在比利时；东经 5º35' 北纬 49º35')ETabbr.东部时间（=Eastern Time)abbr.外星人（=extraterrestrial）etection sensitivity检波灵敏度ethyl phenyl oxalate乙基苯基草酸酯ethoxyl spectroscopy胰腺癌ethyl benzoylformate苯甲酰甲酸乙酯ethyl chlorophyllide叶绿素乙酯ethyl benzoylacetate苯酰乙酸乙酯ethanediol diacetate乙二醇双醋酸酯ethylphosphonic acid乙基磷酸ethyl n-amylketone[化] 乙基·戊基酮; 乙基·戊基甲酮; 3-辛酮ethylphenylcarbamate苯氨基甲酸乙酯