直流小母线和控制盘的电压小母线,在断开其他连接支路时,绝缘电阻应不小于()MΩ
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未使用过的避火服多久进行一次开包检查()。
A. 每天
B. 每周
C. 每月
D. 每半年
()被认为是第三代电影人中最具代表性的人物。
A. 郑君里
B. 李俊
C. 谢晋
D. 吴贻弓
You are the administrator of a Windows XP Professional computer named Pro1. The computer is connected to the Internet. Pro1 provides Internet access to eight other Windows XP Professional computers that are connected to Pro1. You enable Internet Connection Sharing (ICS) and Internet Connection Firewall (ICF) on Pro1. You run an application named App1 on Pro1. App1 communicates with an online training company on the Internet. In order to display an online seminar, the training company needs to contact the App1 application at port 5800. You want to ensure that the training company can connect to the App1 application. What should you do?()
A. Configure ICF to enable the Internet Control Message Protocol (ICMP) Allow redirect option. Then start the App1 application that opens port 5800.
B. Create a new service definition named App1. Use port 5800 as the external and internal port number.
C. Edit the %systemroot%\System32\Drivers\Etc\Services file on Pro1 to include a service definition named App1 for port 5800.
D. Change the TCP/IP settings on Pro1 to enable TCP/IP filtering. Permit network traffic on port 5800.&e
当力系简化为合力偶时主矩与简化中心的位置无关()。
A. 正确
B. 错误