【判断题】比喻就是在两个不同事物之间进行强制联想以发现它们的相似性。
【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
【判断题】压力继电器是一种将油液的压力信号转换为电信号输出的元件。 ( )
【判断题】比喻就是在两个不同事物之间进行强制联想以发现它们的相似性。()
【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
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
【判断题】压力继电器是一种将油液的压力信号转换为电信号的电液控制元件。( )
【判断题】变间距式电容传感器适用于测量微小位移是因为电容量与极距呈非线性关系