And an investigation on current situation of magnetic ferrofluid technology was carried out.
并对目前的磁流体技术现状进行了一些探讨。
Through investigation, the article analyzes the current situation of the writing teaching.
本文通过调查，分析了高中作文教学管理的现状。
Through investigation, the article analyzes the current situation of the writing teaching.
本文通过调查，分析了高中作文教学管理的现状。
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