直流电具有的作用()低频电流具有的作用()超声波具有的作用()
A. 电解作用
B. 神经肌肉兴奋作用
C. 内生热作用
D. 机械振荡作用
E. 促进维生素D形成
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弱智儿童在回答问题时，常常经不住别人反问，不论自己回答正确与否，只要别人反问一句马上就改口，这说明他们的思维（）。
You need to design an access control strategy that meets business and security requirements. Your solution must minimize forestwide replication. What should you do？（）
A. Create a global group for each department and a global group for each location. Add users to their respective departmental groups as members. Place the departmental global groups within the location global groups. Assign the location global groups to file and printer resources in their respective domains， and then assign permissions for the file and printer resources by using the location global groups
B. Create a global group for each department， and add the respective users as members. Create domain local groups for file and printer resources. Add the global groups to the respective domain local groups. Then， assign permissions to the file and printer resources by using the domain local groups
Create a local group on each server and add the authorized users as members. Assign appropriate permissions for the file and printer resources to the local groups
D. Create a universal group for each location， and add the respective users as members. Assign the universal groups to file and printer resources. Then， assign permissions by using the universal grou
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