入定

http://www.kexuefoxue.com/foxuejiangtan/6403.html

http://big5.xuefo.net/nr/article2/22285.html

http://luzifur.pixnet.net/blog/post/9708369-%E6%89%93%E5%9D%90%E5%85%A5%E9%96%80-(12)---%E5%85%A5%E5%AE%9A%E7%9A%84%E6%96%B9%E6%B3%95

http://www.douban.com/note/156665672/