...距离PCB设计指南(4)阻抗受控传输线PCB设计指南(5)参考平面PCB设计指南(6)布线PCB设计指南(7)过孔via 参考平面(Reference Planes)很多时候多层PCB板上要放置电源平面和地平面，而且要在高速信号放在TOP层，那么地平面(Ground Plane)就要紧跟着放在第二层。
基于134个网页-相关网页
planes of reference 参照平面
Optionally, the memory may store coordinates in connection with the current and prior reference planes.
可选地，存储器可存储与当前和先前参考平面有关的坐标。
A display is provided to selectively display the image planes associated with the current and prior reference planes.
显示器被提供用来有选择地显示与当前和先前参考平面关联的图像平面。
The paper shows the clear relationship between the reference planes for the nominal angles of the cutting tool and the planes for the working angles of the cutting tool.
给出了刀具标注角度参考系平面与工作角度参考系平面之间的关系式。
应用推荐