Center for Hemispheric Defense Studies国防研究中心的半球 Center for Homeland Defense and Security (US Naval Postgraduate School)为中心的国土防务与安全(美国海军研究生院) Center for Hemispheric Defense Studies (National Defense University)研究中心(半球防守国防科技大学) Compact Holographic Data Storage紧凑的全息存储数据 cerebral hemispheric disconnection syndrome大脑半球分离综合征