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 on meridian子午线平面图Projection lens system投影光学系统projection polariscope偏光计projection lens jacket投影透镜套projection light source投影光源projection pipillometer投影瞳孔计Projection relationship投影关系projection compensation投影补偿projection sketchmaster投影转绘仪projection homomorphism射影同态