整理自陳嘉陽講義、簡瑜亭筆記和網站http://blog.xuite.net/kc6191/study/25650253-%E6%95%99%E8%82%B2%E5%93%B2%E5%AD%B8%E5%90%84%E4%B8%BB%E7%BE%A9%E4%BB%A3%E8%A1%A8%E4%BA%BA%E7%89%A9+