請(qǐng)問(wèn)這里的電阻電容的值是怎樣決定的????謝謝...

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) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/82/560551255708570.jpg');}" onmousewheel="return imgzoom(this);">