《英汉医学词典》source to skin distance 源皮间距 source skin distance: 源与皮肤间距source-skin distance: 放射源皮肤距离source-to-skin distance: 源皮间距source distance: 震源矩focus skin distance: 焦点皮肤间距离; 焦点皮肤距离下载手机词典可随时随地查词查翻译