pro.jec.tive
adj.（形容词）Extending outward; projecting.突出的：向外伸出的；突出的Relating to or made by projection.投影的：由投影制作的或与其有关的Mathematics Designating a property of a geometric figure that does not vary when the figure undergoes projection.【数学】 射影的：指定几何图形属性的，以便当这个图形经受影射时不发生变化
【引伸】
projec.tively
adv.（副词）
