无稳态电路请教
大家有时间帮忙看看,解释一下,谢谢先......500) {this.resized=true; this.width=500; this.alt='这是一张缩略图,点击可放大。\n按住CTRL,滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/58/1857941192099541.bmp');}" onmousewheel="return imgzoom(this);">