hlxue:
放大系数为15.5时,按dB计算,放大倍数为:20*log(15.5)=20*1.19=23.8(dB)[图片]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){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/42/1149521123.jpg');}"onmousewheel="returnimgzoom(this);">