Semidei塞米代伊semin.半挂车；半挂车货车；<非>半决赛pref.表示“一半的；部分的；不完全的”Semismooth Newton method半光滑牛顿算法semi-solid deformation半固态变形semi - conductor laser半导体激光semilunar sinus of tibia胫骨腓切迹semi-sphere protrusion半球突起semi-diurnal variation半昼夜变化, 半日变化semi-fluid lubrication半流体润滑semiautomatic arc welder半自动电弧焊机semi-steel radial tire半钢子午线轮胎semi-trivial solutions半平凡解