Please let us know if you have any comments, questions or suggestions about the RBinds.
Yunjie Zhao          E-mail: 
yjzhaowh@mail.ccnu.edu.cn
Huiwen Wang       E-mail: 
huiwenwang@mails.ccnu.edu.cn
Department of Physics, Central China Normal University, Wuhan 430079, China.
Zhao Group at Central China Normal University