This is mainly because the costs of such distance learning for the students are much lower than traditional classroom instruction.
如此以来，两条原因就很有条理地被罗列出来：一是在家学习（也就是远程教育）的费用较低；
There will be rational thoughts to be probed in the below by analysis of traditional classroom instruction which impacts on the reform.
通过对影响新课改的传统课堂教学因素的分析，进行一些理性探索。
Firstly, the thesis says that there are some deficiencies in traditional classroom instruction on the course of Ellipse and its Standard Equation.
文章首先指出“椭圆及其标准方程”在传统课堂教学中存在的不足。
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