zjutchk:
[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/39/1142835821.gif');}"onmousewheel="returnimgzoom(this);">這是我找到的設(shè)計(jì)電路 不知道元件的參數(shù)怎么計(jì)算