semiconn.半导体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”semi-sinusoidal impulse半正弦脉冲Semipreparative RP- HPLCsemi-suporvised learning半监督学习semi-decoupled transform准解耦变换semicircular electromagnet半圆形电磁铁semielliptic surface crack半椭圆形表面裂纹semi-solid metal forming半固态金属加工semiautomatic relay system半自动转报系统semi-release of pressure半释压semi gelationous explosive半胶质炸药