projectionaladj.投射(凸出；投影；计划；预测；具体化)projectionn.投影；投射；规划；发射；凸出物；预测；放映projection nervous tract神经投射束projectional deformation投影变形projection homomorphisim射影同态projection spark chamber投影火花室Projection contour model投影轮廓模型projection characteristic投影特征projection reconstruction投影重建projection interferometer映射干涉仪,投射干涉仪projection MR angiography投射MR血流成像projection optical system投影光学系统