同时，本研究有助于切实减轻小学生学习负担，实现减负增效。

This research is of great help to reduce student'heavy burden and increase their efficiency.

youdao

同时，本研究有助于切实减轻小学生学习负担，实现减负增效。

This research is of great help to reduce student'heavy burden and increase their efficiency.

youdao