Interpretation and implementation of Cybersecurity Classified Protection System in China Interpretation and implementation of the baseline for classified protection of cybersecurity Interpretation and implementation of the evaluation requirements for classified protection of cybersecurity Research on the implementation of coal mine safety supervision system in China Theory and implementation of super large - scale project system integration Study on the implementation of China's child protection system Simulation and implementation of spread spectrum communication system 并列题名：Study on the implementation of China's child protection system