Central nervous system venous angima  中枢神经系统静脉瘤

Galen venous system  Galen静脉

hepatic venous system  肝静脉系

Intracranial venous system  颅内静脉系统

portal venous system  门静脉系

Venous system protection  大型脑膜瘤

movable arterial and venous imaging system  移动式静脉造影系统

Continuous venous venous hemofiltration  连续性静脉静脉血液滤过

continuous venous-venous hemofiltration  连续性静脉－静脉血液滤过

Venous venous bypass  静脉-静脉转流

System System Software  系统软件

positive list system system  肯定列表制度

inter-backup system for central control system and district-level dispatch system  集控与地调互备系统

Single school system; Single track system; Unitary school system  单轨制

Single track system; Single school system; Unitary school system  单轨制

Unitary school system; Single school system; Single track system  单轨制

7-year system switching to 8-year system  7转8学制

Accounting environment Accounting theoretical system Accounting standards system  广义能量动量张量

administrative management system of villages and towns and educational system  电脑整合制造系统; 计算机集成制造系统(CIMS)