给药次数和间隔时间取决于药物的____________，以维持血液中药物的___________。
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柔性线岔中，线岔两工作支中任一工作支的垂直投影距另一股到线路中心（）mm的范围内为始触区，在该范围内不得安装任何线夹。
A. 400～550
B. 500～650
C. 550～800
D. 500～800
韦伯·扬为培训广告人才撰写了《怎样成为广告人》和（）两部名著。
断肢再植手术距外伤的时间一般不宜超过（）
A. 2～4小时
B. 6～8小时
C. 10-12小时
D. 14～16小时
E. 24小时
Your network consists of a single Active Directory domain. User accounts for engineering department are located in an OU named Engineering. You need to create a password policy for the engineering department that is different from your domain password policy. What should you do（）
A. Create a new GPLink the GPO to the Engineering O
B. Create a new GPLink the GPO to the domain. Block policy inheritance on all OUs except for the Engineering O
Create a global security group and add all the user accounts for the engineering department to the group. Create a new Password Policy Object （PSO） and apply it to the group.
D. Create a domain local security group and add all the user accounts for the engineering department to the group. From the Active Directory Users and Computer console， select the group and run the Delegation of Control Wizard.
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