A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">用“断开线”替代电流源</span>
B、<span style="LINE-HEIGHT: 120%; FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">用“短路线”替代电流源</span><span style="LINE-HEIGHT: 120%; FONT-SIZE: 10.5pt" lang="EN-US"></span><p></p><p></p>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 10.5pt; mso-ascii-font-family: ">用数值不为零的“电阻”替代电流源</span>
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