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来源:雅诚德英语网
A one-to-one correspondence between the points on two lines determined by a given point, not on either line, called the center of perspectivity or point of perspectivity.
由一给定点确定的、两条直线上的点之间的一一对应,该给定点不在这两条直线上,称为透视中心或透视点。