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1·Now I am back in Hohhot.

我现在已经回到呼市了。

2·The second part, the investigation of Psychologically health education work of high schools in Hohhot.

第二部门，呼市高中央理健康教育工作的调查。

3·The features on the quality control of porous basalt aggregate asphalt surface used in Hohhot-Jining Expressway in Inner Mongolia are described in this article.

分析了内蒙古呼集高速公路使用多孔玄武岩沥青面层质量控制上的特点。