The typical test circuit is shown in Figure 1 and the characteristics of the pulse is shown in Figure 4.

典型测试电路如图1所示，脉冲特性如图4所示。

There are other specifications such as the Human Body Model (HBM) (see Figure 2 for typical HBM test circuit) and the Machine Model (MM).

还有其他规格，例如人体模型 (HBM)（典型 HBM 测试电路见图 2）和机器模型 (MM)。