次生核化危害是城市人民防空面对的主要危害之一,正确把握城市人民防空次生核化危害防护的要求,是有效开展城市人民防空次生核化危害防护所应遵循的行为规则。城市人民防空次生核化危害防护应把握以下基本要求: Secondary nuclear disintegration is one of the major hazards faced by urban people’s air defense. To correctly grasp the requirements of urban people’s air defense and secondary nuclear hazard protection is a code of conduct that should be followed to effectively carry out the hazard protection of urban nuclear-air defense secondary nucleation. Urban civil air defense secondary nuclear hazard protection should grasp the following basic requirements: