half dayph.halfn.一半；下半场；半学年adj.一半的；不完全的adv.一半地；不完全地half-serrated hemostatic forceps半齿止血钳half-time of radioactive nuclide放射性核素半衰期half-Heusler shape memory alloys半Heusler形状记忆合金half-automatic strapping machine半自动捆包机half-parametric regression model半参数回归模型Half - pixel motion compensation半像素运动补偿half-sane half-insane offender[法] 半疯颠罪犯half plane of absolute convergence绝对收敛半平面half-plane problem of elasticity半无限平面问题half-round head square neck bolt半圆头方颈螺栓