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【简答题】
设整流电路输入交流电压有效值为 U 2 ,则单相半波整流滤波电路的输出直流电压 U L = ,单相桥式整流电容滤波器的输出直流电压 U L = 。
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参考答案:
举一反三
【单选题】肱骨干中、下1/3处骨折常引起( )
A.
肱动脉损伤
B.
桡神经损伤
C.
尺神经损伤
D.
股骨转子骨折
E.
旋骨内、外动脉损伤
【多选题】Which two of the following steps must be included in a negotiation process?
A.
inquiry
B.
offer
C.
counter offer
D.
acceptance
【判断题】根据我国《物权法》相关规定,地役权自地役合同生效时设立。
A.
正确
B.
错误
【简答题】The marked part in the picture is known as __________ colon.【图片】
【多选题】You want to create a security policy on an SRX240 that redirects unauthenticated users back to the Junos Pulse Access Control Service.Which two steps must you take to accomplish this task?()
A.
Configure a captive-portal service that redirects all traffic back to the Junos Pulse Access Control Service.
B.
Configure a security policy that references the unified-access-control captive-portal service.
C.
Configure a captive-portal service that redirects unauthenticated traffic back to the Junos Pulse Access Control Service.
D.
Configure a security policy that references the unified-access-control intranet-controller service.
【单选题】Isn't it time you got down to _____ the papers? [     ]
A.
mark
B.
be marked
C.
being marked
D.
marking
【判断题】The overall size of the part needs to be marked under any circumstances
A.
正确
B.
错误
【单选题】冷却系的作用是保证发动机在正常工作温度下工作,多数汽车用水冷,其正常水温为()
A.
65~80℃
B.
76~80℃
C.
80~90℃
D.
100~120℃
【单选题】用于金黄色葡萄球菌引起的急慢性骨髓炎首选选药是
A.
红霉素
B.
庆大霉素
C.
青霉素
D.
螺旋霉素
E.
克林霉素
【多选题】You are a systems administrator responsible for managing a Windows Server 2008 Web Server Currently,there are no Web sites configured on the server. You need to configure the server to host two Web ap...
A.
Create a single Web site that contains both Web applications.
B.
Create two Web sites, one for each Web application.
C.
Assign both Web applications to the same application pool.
D.
Assign each Web application to its own application pool.
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