Eupa尤帕EUabbr.欧盟(=European Union)Eulophiaflava黄花美冠兰euhyponeuston真水面下漂浮生物eudiometricaladj.气体测定的(量气管的)eupheredermes真壳型Eustace Miles迈尔斯eutectic line共晶线Euascomycetae真子囊菌亚纲Euxoa tristisn.郁切夜蛾EUV radiation极紫外辐射Euascomycetes真子囊菌纲