Microwave absorbing materials have been widely in stealth technology and in electro-magneticcompatibility (EMC) technology, and they are researching hotspot in these technology field.
The EMC (ElectroMagneticCompatibility) and the design of PCB were also involved in these problems.
这些问题涉及到EMC（电磁兼容性）设计和高速PCB板设计。
3
This paper mainly discusses the current EMC (ElectroMagneticCompatibility)condition of the domestic diesel locomotive, for which an EMC solution of the electrical design is also given.