The purpose of trying to sound the air defense alarm is to enhance the general public's national defense concept and people's air defense awareness, make the alarm sound long, and at the same time familiarize the general public with the types and regulations of air defense alarm signals, and test the readiness of air defense alarm facilities and equipment.

Air defense warning is an important part of urban air defense system. Usually used for disaster prediction and emergency notification in case of sudden major accidents in disaster relief, and used for civil air defense in wartime. It is the basic means for people's governments at all levels to carry out civil air defense command and organize people's evacuation.

For more information about air defense alarm, please visit:/ask/4dddf21615840724.html? Zd view more content