由于计算机在绘制透视效果图时易产生透视畸变，因此有必要研究透视畸变对视觉的影响——透视效应。

Since perspective aberrance often occurs in the computer-designed perspective effect drawings, it is rather necessary to study the perspective effectan effect of perspective aberrance on vision.

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提出了目前的透视图不能作效果图的新论点，并从理论上进行了证明。

The new opinion that the current perspective cannot be used as effective diagram was put forward and proved theoretically.

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改造后的透视图不但可作效果图，而且也有了反求功能。

The reformed perspective can not only be treated as an effective diagram, but also provide the inverse function.

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