欲设定复数的文件模式，请设定内容属性以判别你想使用的模式。
To specify multiple document modes, set the content attribute to identify the modes you want to use.
以复数概念为试验教学内容，对113名高二年级学生进行对比实验研究，剖析图式对数学概念学习的影响。
With 113 students selected form grade 2, the study makes a comparative research, using complex number concept as a case.
以复数概念为试验教学内容，对113名高二年级学生进行对比实验研究，剖析图式对数学概念学习的影响。
With 113 students selected form grade 2, the study makes a comparative research, using complex number concept as a case.
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