运行的感应式电能表发生潜动现象的原因有()。
A. 实际电路中有轻微负荷。如配电盘上的指示灯、带灯开关、负荷定量器、电压互感器、变压器空载运行等。这时电能表圆盘转动是正常的;
B. 潜动试验不合格;
C. 没有按正相序电源进行接线;
D. 三相电压严重不平衡或因故障造成电能表潜动。
()是指站方为运方提供统一安排班次、发车车位和候车室,但不代办售票、检票服务,按客运费的一定比例,向运方收取的费用。
A. 客运代理费
B. 客运发班费
C. 行包运输代领费
D. 站务费
男,11岁。近1个月来双膝关节经常不明原因的红、肿、疼痛,无皮肤淤点和牙龈出血现象。2天前,因剧烈活动后,右膝关节疼痛加重、肿胀明显、行走困难就诊。X线检查:右膝关节腔内有纤维组织增生和大量积液;穿刺示血性液体。患者外祖母为血友病A患者下列哪个试验为该患者首选的筛检试验()
A. PT
B. CT
C. BT
D. APTT
E. CRT
You are the administrator of a Windows Server 2003 computer named TestKing3. TestKing3 has Terminal Services installed. TestKing3 connects to the Internet through a proxy server on the company network. Help desk employees periodically access custom web applications on the company network. You install IIS on TestKing3 with all the default settings. You need to ensure that help desk employees can access Terminal Services on TestKing3 from Internet Explorer 6.0. What should you do?()
A. Uninstall IIS and Terminal Services. Reinstall IIS, and then reinstall Terminal Services.
B. Configure the Internet Connection Firewall (ICF) to allow incoming ports 80 and 3389.
Create a new virtual directory named Tsweb.
D. Create a new web site named Tsweb.
E. Install Remote Desktop Web Connectio