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【单选题】
如果要将链接的文件在新的窗口打开,那么在属性面板的“目标”列表框中应选择A.
_top
B.
_parent
C.
_self
D.
_blank
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举一反三
【单选题】The OSI(66)model, sometimes also called ISO or 7 layers reference model for communication, has been developed by the International Standards Organization in early 1980's.
A.
referent
B.
reference
C.
referance
D.
refering
【简答题】压力继电器是一种将油液的压力信号转换为( )的电液控制元件。
【多选题】What are the advantages of the OSI reference model?( )
A.
The OSI reference model provides compatibility between devices and A standard interface that facilitates standardization
B.
An important feature of the OSI reference model is its layered architecture. The layered design method can
C.
The OSI reference model is a theoretical description of the information transmission process that occurs between network devices and defines how each layer of functionality can be achieved through hardware and software
D.
neither of the above statements is true
【单选题】●The OSI (68) model，sometimes also called ISO or 7 layers reference model for communication.has been developed by the International Standards Organization in early 1980's. (68)
A.
referent
B.
reference
C.
referance
D.
refering
【多选题】What are the advantages of the OSI reference model?( )
A.
The OSI reference model provides compatibility between devices and A standard interface that facilitates standardization
B.
The OSI reference model is a theoretical description of the process of information transmission that occurs between network devices and defines how each layer of functionality can be achieved through hardware and software
C.
An important feature of the OSI reference model is its layered architecture. Hierarchical design approach can transform large and complex problems into several smaller and manageable problems
D.
neither of the above statements is true
【单选题】关于电容式传感器,下面说法正确的是( )
A.
变极距式可以测大的位移，因为变极距式灵敏度高
B.
平板电容器测量液面变化称为变面积式传感器
C.
变极距式灵敏度高、小范围内可近似认为是线性，适合于测量微位移
D.
测量湿度可以利用变极板间距的类型
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