表面租糙度高度参数Ra值愈大，表示表面粗糙度要求愈高；Ra值愈小，表示表面租糙度要求愈低。
参考答案：错
使用以下哪个命令可以查看BGP路由表中指定团体属性的路由信息？（）
A.display bgp community
B.display bgp routing-tablecommunity
C.display bgp peer
D.display bgp routing-table peer X.X.X.X received-routes
—The little girl's bedroom is very clean.
—Yes. It’s much ________ than her ________.[ ]
A. clean; brother
B. cleaner; brother
C. clean; brother's
D. cleaner; brother's
