曲线正方形:这些是完全的正方形吗?
<P><img src="data/attachment/forum/dvbbs/2004-5/2004520113818717.jpg" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2004-5/2004520113818717.jpg\');}" onmousewheel="return imgzoom(this);" alt="" /></P><P>正方形看起来是变形了,但其实它们的边线都是笔直而彼此平行的。比尔·切斯塞尔创作了这个曲线幻觉的视觉艺术版本。
</P> 好像的确不是正方形阿! 是正方形。 <P>妙不可言</P><P>眼睛欺骗了我们</P> 视觉误差!
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