用焦平面快门较慢速度满画面拍摄高速行驶的汽车,汽车轱辘通常呈现出()
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不能使物质产生电离作用的辐射,即称非电离辐射。下列哪种不是非电离射().
A. 紫外线
B. γ射线
C. 激光
D. 射频辐射
You are a network administrator for You manage a Windows Server 2003 computer named Testking1. Folder Redirection is enabled for the users' My Documents folders. A user named Peter deletes all the files and folders in his My Documents folder before he leaves TestKing. Peter's manager asks you to recover documents. You do not know if Peter made modifications to the permissions on the files. You need to restore Peter's My Documents folder so that his manager can access the files. You want to achieve this goal by using the minimum amount of administrative effort. What should you do?()
A. Perform a default restoration.
B. Run the Automated System Recover (ASR) wizard.
C. Perform a restoration, and enable the Restore security option.
D. Perform a restoration, and disable the Restore security optio