internal gas体内废气internaladj.国内的；内部的；身内的internal frequency modulation内部调频internal financial management内部财务管理internal flow characteristics内部流动特性internal financing management[经] 国内金融管理internal network construction内部组网internal population migration国内人口迁移internalized higher education高等教育国际化internal friction coefficient内摩擦系数internally focusing telescope内调焦望远镜internal synchronization mode内同步方式