Entering the 21st century, the international situation has already undergone earth shaking changes compared to fifty years ago. Although people today have long been accustomed to peaceful and peaceful days, there are still criminals and hostile forces who are eager to act recklessly, constantly attempting to endanger people's lives and safety. In order to handle emergencies more effectively
Entering the 21st century, the international situation has already undergone earth shaking changes compared to fifty years ago. Although people today have long been accustomed to peaceful and peaceful days, there are still criminals and hostile forces who are eager to act recklessly, constantly attempting to endanger people's lives and safety. In order to handle emergencies more effectively