In this way , the self - similar multi - fractal property of the hadronic system produced in z0 ( ) decay is strictly confirmed and the corresponding fractal dimensions and levy index are obtained in the first time using the high statistics data from the l3 experiment at lep 这样就精确地验证了在z ~ o衰变能量下的e ~ + e ~ -对撞末态强子系统是多重自相似分形，并首次用实验测出了相应的分形维数与l vy指数。
2.
From the point of view of psycholinguistics and bilingual education theory , new policy does not conform to principles of language education and unbeneficial to language and cognitive development for the lep children . from social - linguistic perspectives , it will bring passive effect to long - term achievements of the children from the minority family . therefore new policy is an ethically unsound education policy 从心理语言学及双语教育理论的角度分析，该提案很大程度上违背语言习得原则，不利于儿童语言及认知水平的发展；另外，该提案只考虑语言文化的统一与融入，把母语教育与英语教育对立起来，从社会语言学分析，会给长期教育目标带来负面影响。
3.
Bilingual education in united states of america has contributed a lot to children with limited english proficiency ( lep ) since the act of bilingual education was taken into effect in 1968 . but there are still many problems existing . many children cannot go into the mainstream classroom after several years " study in school 美国自1968年通过双语教育法以来，几十年的双语教育取得了不小的成效，同时也暴露出许多问题，效果远远达不到主流社会的要求，教育环境与现状需要能够更有效地提高移民孩子英语水平的教育政策与计划。
