Application of atrium is one of the effective ways to solve the problem of psychology as the main obstacle in exploitation and utilization of underground space.

地下空间开发利用的主要障碍来自于人们心理方面的问题，中庭的应用就是解决这一难题的一条有效途径。

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There are some direct reason causing this problem . The key reasons are as follows: One is disgusting learning (42.8%), another is poverty (22.8%), and the third is the obstacle in learning (11.4%).

引起辍学的直接原因有很多，其中排列于辍学原因前三位的分别是厌学（占42.8％）、经济困难（占22.8％）和学习困难（占11.4％）。

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There are some direct reason causing this problem . The key reasons are as follows: One is disgusting learning (42.8%), another is poverty (22.8%), and the third is the obstacle in learning (11.4%).

引起辍学的直接原因有很多，其中排列于辍学原因前三位的分别是厌学（占42.8％）、经济困难（占22.8％）和学习困难（占11.4％）。

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