我已经是中国管理控制在线平台（CCOC，www.ChinaControlling.online）的网上用户，是否可以用那里的用户名和密码登陆这个网站？|  I am online user of the website of China Controlling Online Community (CCOC, www.ChinaControlling.online). May I use my user name and password there for log in to this website?