The typical polarized magnetic system has mainly four structures and its simplified equivalent magnetic circuit model is the base of the design of the electromagnetic relay.
典型的极化磁系统主要有四种结构，其简化磁路等效数学模型是继电器设计的基础。
2
The method, the network, the relay station and the base station of the invention can realize data transmission in a plurality of modes, thereby realizing flexible relay schemes.
使用了本发明的方法、网络、中继站和基站，可以实现以多种方式传输数据，从而实现灵活的中继方案。
3
The invention also provides a system for transmitting data in mobile communication, wherein, the base station and more than one relay stations are contained in the cell;