Source: Worker's Daily
Qinhuangdao Radio Administration of Hebei Provincial Department of Industry and Information Technology gave lectures about radio technology and national security to the pupils of Xinyilu Primary School in Haigang District, to greet the sixth National Security Education Day. Technicians explained to students the important role of radio in national security through playing videos of radio and national security, leading them to experience radio communication and signal monitoring, as well as radio direction finding, so that they can learn about the knowledge of radio and national security, arouse awareness of national security, and establish an overall national security outlook. (Correspondent Cao Jianxiong)
On April 14, 2021, the technicians from Qinhuangdao Radio Administration of Hebei Provincial Department of Industry and Information Technology play video of radio and national security for the students of Xinyilu Primary School in Haigang District.
On April 14, 2021, the technicians of Qinhuangdao Radio Administration of Hebei Provincial Department of Industry and Information Technology explain the radio signal spectrum to the students of Xinyilu Primary School in Haigang District.
On April 14, 2021, the technicians of the Qinhuangdao Radio Administration of Hebei Provincial Department of Industry and Information Technology instruct the students of Xinyilu Primary School in Haigang District to experience and practice radio communication and signal monitoring.
On April 14, 2021, the technicians of Qinhuangdao Radio Administration of Hebei Provincial Department of Industry and Information Technology explain the radio signal spectrum to the students of Xinyilu Primary School in Haigang District.
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