大家看看：两个棱镜分光系统

大家帮我看看这是怎么回事啊，怎么没有光出来啊

<img src="data/attachment/forum/dvbbs/2005-6/20056292171113838.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/2005-6/20056292171113838.jpg\');}" onmousewheel="return imgzoom(this);" alt="" />

我用一个棱镜，可是还是没有光出来。我也有点不明白了，请大家帮哈忙看看是怎么回事？谢谢

怎么没有人回答啊
太简单了吗?