eucil灭吐灵EUabbr.欧盟(=European Union)Euselus nlcholsl Ehara et Lee尼氏真绥螨eucommia ulmoides oliver glue杜仲胶Eupatorium rotundifolium L.圆叶泽兰Euphorbia ebiacteolata HayataEupatorium adenophorum Spreng紫茎泽兰euler static balance equation欧拉静平衡方程EULER distance transformation欧氏距离变换Eucommia ulmoides Oliv leaves杜仲叶Eucommia ulmoides Oliver leaf杜仲叶Euchorthippus fusigeniculatusn.黑膝异爪蝗