求翻译：本文对2011年之前关于中小学生厌学情况的调查研究进行了回顾，以往的研究发现中小学生厌学存在地域，性别，年级等多方面差异，且影响因素广泛，涉及自身，家庭，学校，社会多个方面。是什么意思？

The research on the the weariness situation of primary and secondary schools before 2011, previous studies have found that primary and secondary weariness existence of region, gender, grade, and many other differences, and affect a wide range of factors involved in their own families, schools, socia

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Prior to 2011 on the investigation on the primary and secondary school students who are tired of this article recalls that previous studies found that students who are tired of geographical, gender, grade, and many other differences, and influencing factors widely, involving themselves, family, scho

This article to 2011 before became fed up study the situation investigation and study about the elementary and middle schools to carry on the review, the former research discovery elementary and middle schools became fed up study the existence region, the sex, the grade and so on the various differe