| 释义 |
射影shèyǐng
1.从一点向一条直线或一个平面作垂线,垂足叫做这点在这条直线或平面上的射影;一条线段的各点在一条直线或一个平面上射影的连线叫做这条线段在这条直线或平面上的射影。{projection. When a perpendicular line is drawn from a point to a straight line or a plane, the intersection is the projection of the point on the straight line or the plane; when all the points on a section of a line are projected on a straight line or a plane, the line connecting all the projected points is called the projection of that section of a line on the straight line or the plane.}
2.古书上说水中有一种叫‘蜮’的动物能含沙喷射人影使人致病。{water demon; animal described in ancient books as being able to cause diseases in humans by injecting sand to shadows of humans from its mouth;}也是‘蜮’ 的别名。{another name for 蜮 yù}参看see【含沙射影】{hán shā shè yǐng}。 |