Principle and method of design of dielectric rod antennas are introduced.
介绍了介质天线的设计原则和方法。
It gives the principle and method of design that coaxial capacitive voltage divider by the invar alloy.
给出了以因瓦合金为材料的同轴电容分压器的原理和设计方法。
Working principle and method of design on 4-way Micro Switch Automatic Assembly machine were expounded.
论述了四项微动开关自动装配设备的工作原理及设计方法。
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