题目内容
SQL Server 2008中的主体对安全对象的权限层次分4层。
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complete the sentences with NO MORE THAN THREE words from para.3-6.When the secondary __________ spins to 90 degrees from north, the signal is 90 degrees out of _______________ of the master signal.
The VOR display in the aircraft cockpi shows the _______________ and can be used as a _____________ for navigation.
The line of pistion transmitted by the VOR ground sation and displayed in the cockpit is called a ______________.
When the CDI ________________ swings to the left, it indicates that the aircraft should turn left to return to its intended_________________.
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