你好！你好，
http://www.tywiki.com/images/a/a0/%E9%99%86%E4%BB%B2%E5%85%89%E5%92%8C%E9%AB%98%E5%AE%8F%E7%9A%84%E8%B0%88%E5%8E%86%E5%8F%B2%E8%BD%AC%E6%8A%98%E6%97%B6%E7%9A%84%E4%BA%8B.pdf