[[File: SLE 00.jpg |thumb|200px| SLE 圖解 [https://tw.pixtastock.com/illustration/38702151] 原圖鏈接 ]]

[[File: SLE pig.jpg |thumb|200px| SLE 圖解 [https://cn.dreamstime.com/%E7%8B%BC%E7%96%AE%E7%96%BE%E7%97%85%E4%BC%A0%E6%9F%93%E5%AA%92%E4%BB%8B%E4%BE%8B%E8%AF%81-%E4%B8%8E%E6%86%94%E6%82%B4%E7%97%87%E7%8A%B6%E7%9A%84%E8%A2%AB%E6%A0%87%E8%AE%B0%E7%9A%84%E5%9B%BE-image127662176] 原圖鏈接 ]]