Why didn't Zhangjiakou announce in advance that the air defense alarm suddenly sounded?

There are some this time. Maybe you haven't noticed. A few days ago, the Zhangjiakou Municipal People's Government issued a notice on the implementation of the civil air defense warning test. According to the circular, in order to improve the residents' awareness of national defense and air defense in the city and effectively carry out civil air defense construction, according to the Civil Air Defense Law of People's Republic of China (PRC) and the decision of the General Office of the Hebei Provincial Government and the Command of the Hebei Military Region on unifying the trial day of civil air defense alarms in the province, on July 7, 20 10, the city will organize the tenth trial sound of air defense alarms, which is also the third unified trial sound of air defense alarms in the province. The relevant matters concerning the trial alarm are hereby announced as follows.

Second, the range of air defense alarm test.

Qiaodong District, qiaoxi district, Xuanhua District, Xiahuayuan District, High-tech Zone, Chabei Management District, Saibei Management District, Zhangbei County, Guyuan County, kangbao county, shangyi county, chongli, Yangyuan County, Huailai County, Chicheng County, Huai 'an County, Wanquan County, Yuxian County, Zhuolu County and Xuanhua County.

Third, the distinction between air defense warning signals

Early warning: sound for 36 seconds, stop for 24 seconds, and repeat for 3 times as a cycle;

Air raid alarm: sound for 6 seconds, stop for 6 seconds, and repeat 15 times as a cycle;

Disarm the alarm: sound continuously for 3 minutes. During the trial period, each alarm clock only rings for one cycle, and each cycle lasts for 3 minutes. The interval between three alarms is 10 minute.

It is an important measure to determine the trial sounding date of air defense alarm and organize the trial sounding according to law to implement the Civil Air Defense Law of People's Republic of China (PRC). Its purpose is to strengthen the national defense concept and civil air defense awareness of the residents in the city, further standardize the management of air defense warning facilities and equipment, test the early warning ability of civil air defense, strengthen the awareness of the people in the city to be prepared for danger in times of peace in a peaceful environment, and improve the people's ability to deal with emergencies. Therefore, residents in the city should maintain a stable mentality and maintain the order of production and life during the trial. Newspapers, radio stations, television stations, communication companies and electronic display screens in all walks of life should actively do a good job in publicity and information release, so that everyone knows it and ensure the smooth progress of the city's air defense alarm trial.

A trial hotline will be set up during the trial: 2 182943 to 3022; 2 184027 to 3035