Speaking about future imaging, future industries and future education from the perspective of science fiction, Zhang Zhiyi, a ...

The Beijing sci-tech commission, along with space research institutions and enterprises in the city, plans to establish a ...

研究团队进行了一项 整群随机双盲交叉试验 ，研究在河南省孟州市（空气污染严重地区）的一所小学进行。试验包含两阶段：干预期（超过2个月，共76天）和随后的洗脱和交叉期（88天）。