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- 저자 변창구(Byun, Chang-Ku)
- 주제어 Korea-US alliance Scheduled Dwell Time Scheduled Running Time Simulation of Railway Operation Slip frequency Track Track stiffness WAK national security strategy Nondestructive test North-Korea nuclear weapon Park Geun-hye Propulsion control railroad car realism THAAD 국가안보전략 박근혜 북한 사드 한·미동맹 핵무기 현실주의