Objective: Under the guidance of the item response theory, the author designed the mathematics achievement test and provided a subsidiary test for the evaluation of the performance of mathematics of grade 3.是什么意思_Objective: Under the guidance of the item response theory, the author designed the mathematics achievement test and provided a subsidiary test for the evaluation of the performance of mathematics of grade 3.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句