酸性镀锡液中硫酸主要起导电、防止锡离子水解和提高阳极电流效率的作用。
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FIBA的篮球比赛中,每参赛队的队员号码应是()号,同队不得重复使用号码。
A. 1-12
B. 3-14
C. 4-15
在整个贸易活动过程中。贸易人员总是处于主导地位,发挥者主导性的作用。
A. 正确
B. 错误
NJ07型列车空调显示设置了单独界面,可以直观地看到空调工作状态是否异常。
A. 正确
B. 错误
Which two statements about authentication settings for DCNM-LAN are true? ()
A. If none of the authentication servers that are configured for the current authentication mode responds to an authentication request, the DCNM-LAN server falls back to localauthentication.
B. DCNM-LAN only supports TACACS+.
C. Each DCNM-LAN server will have the same device credentials.
D. Administering DCNM-LAN authentication settings requires an authentication license.
E. DCNM-LAN server users are local to the DCNM-LAN server.