求翻译：从学生的层面来分析，两级分化与学优生和学困生之间的智力和学习能力、学习策略及自我效能感等方面的诸多差异有着密不可分的关系。是什么意思？

From the student level to analyze the polarization and excellent students and students with learning difficulties born between intelligence and learning ability, learning strategies and self-efficacy and other aspects of a number of differences has a close relationship.

From student level to the analysis, the level of polarization and learning between eugenics and learn very poor students of intelligence and learning ability, learning strategies and self-efficacy, such as a sense of the many differences in inseparably.

Analyzes from student's stratification plane between, two levels of differentiations and study lives sleepily with study the eugenics aspect and so on intelligence and learning capability, study strategy and self-potency feeling many differences has the inseparable relations.

From the students ' level of analysis, two-level differentiation and the science of eugenics and intelligence and learning ability among students, learning strategies and self-efficacy of many of the differences has a close relationship.

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