本节介绍微波开关的类型、RF开关卡技术指标，以及设计RF开关时的注意事项。
This section describes microwave switch types, RF switch card specifications, and RF switch design considerations.
针对开关电源印制电路板的电磁兼容性设计，从PCB的布局与布线、接地等方面提出设计原则及注意事项。
The design rules and observing proceedings are presented from the layouts, wires placing and grounding of the printed circuit board (PCB) aiming at the EMC design of switch power supplies.
每种情况下均具有不同的开关配置和注意事项。
对手车式高压开关柜在应用中出现的问题进行了分析，并提出改进措施及安装、使用与维护中的注意事项。
Problems of handcart-type high voltage switch cabinet in application were analyzed and improving measures and matters needing attention in installation, usage and maintenance were offered.
关于磁性开关的注意事项其实有很多，特别是对于这种高压电路中的产品，一定要小心再小心。
There are a lot of attention on the magnetic switch, especially for the high voltage circuit products, be careful to be careful.
阐述了真空断路器的灭弧室触头磁场的结构、永磁机构及种类，详述了真空开关的常见问题与选型注意事项。
This paper describes the magnetic field structure of the contactors in arc-extinguishing chamber, permanent magnet device and the types of vacuum circuit breaker.
阐述了真空断路器的灭弧室触头磁场的结构、永磁机构及种类，详述了真空开关的常见问题与选型注意事项。
This paper describes the magnetic field structure of the contactors in arc-extinguishing chamber, permanent magnet device and the types of vacuum circuit breaker.
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