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【简答题】
三相变流器，反电动势阻感负载，R=1Ω，L=∞，U 2 =220V，L R =1mH，当E M =-400V，β=60°时，求U d 、I d 和γ的值，此时送回电网的有功功率是多少?
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举一反三
【单选题】Reading Comprehension in Unit 4 Shark Alley No. 1
A.
见任务点文档 Unit 4-Reading.pdf
B.
见任务点文档 Unit 4-Reading.pdf
C.
见任务点文档 Unit 4-Reading.pdf
D.
见任务点文档 Unit 4-Reading.pdf
【简答题】抵达饭店后的服务
【简答题】Unit 8 Marketing (I)
【单选题】You configure a Group Policy Object for the Marketing organizational unit (OU) to prevent users from accessing My Network Places and from running System in Control Panel. You want the Managers domain ...
A.
Add the managers group to the access control list of the GPO. Disable the permission of the managers group to read and apply the group policy.
B.
Add the managers group to the access control list of the GPO. Deny the permission of the managers group to read and apply the group policy.
C.
Create a second GPO in the OU. Add the managers group to the access control list. Allow the managers group to apply the group policy. Deny the authenticated users group permission to read and apply group policy. Configure the new GPO to deny the ability to run System in Control Panel. Give the original GPO a higher priority than the new GPO.
D.
Create a second GPO in the OU. Add the managers group to the access control list. Allow the managers group to read and apply the group policy. Disable the permission of the authenticated user group to read and apply the group policy. Configure the new GPO to allow access to My Network Places. Give the new GPO a higher priority than the original GPO.
【单选题】学测5 It’s clear that Mary ___________ Jill.
A.
agrees with
B.
disagrees with
C.
praises for
【简答题】（1）如图甲所示，物体A静止在斜面B上，物体对斜面的压力大小为10N．用力的图示法作出斜面受到的压力． （2）如图乙所示，平面镜上方有一竖直挡板P，AB和CD是挡板左侧的发光点S发出的光经过平面镜反射后的两条反射光线，请在图上作出发光点S．（要求留下作图痕迹） （3）站在地面上的人想用尽可能小的力提升水桶，请在图丙中画出．
【简答题】曳引轮的轴向水平度,从曳引轮缘上边下放一根铅垂线,与下边轮缘的最大间隙应小于 mm
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