为了进一步分析实验中具体电路的实际情况，首先要建立分立元器件的高频等效模型。
When the components, such as resistor, capacitor, inductor, diode and transistor are used in the high-frequency circuits, they have their own high-frequency equivalent models.
利用磁吸原理，并通过特殊的结构形式，设计了一种分立式表面安装元器件夹具。
The jig, working on the principle of magnetism, with a special configuration and sharp, is used for aging discrete SMDs.
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