显示错误：
source PRACTICE1
R_R7 0 N07298 1k
R_R2 N07294 OUT 6k2
R_R3 0 N07210 100
R_R8 N07326 OUT 5k1
R_R4 0 N07158 0.1
R_R5 N07198 N07174 100
V_V2 IN N07150 DC 0Vdc AC 18Vac
R_R1 N07174 N07170 1K8
**** RESUMING practice1-schematic1-practice1.sim.cir ****
.END
ERROR -- Less than 2 connections at node N07298
ERROR -- Less than 2 connections at node N07294
ERROR -- Less than 2 connections at node N07210
ERROR -- Less than 2 connections at node N07326
ERROR -- Less than 2 connections at node N07158
ERROR -- Less than 2 connections at node N07198
ERROR -- Less than 2 connections at node IN
ERROR -- Less than 2 connections at node N07150
ERROR -- Less than 2 connections at node N07170
ERROR -- Node N07294 is floating
ERROR -- Node OUT is floating
ERROR -- Node N07326 is floating
ERROR -- Node N07198 is floating
ERROR -- Node N07174 is floating
ERROR -- Node IN is floating
ERROR -- Node N07150 is floating
ERROR -- Node N07170 is floating
可是我的每一个节点都接好了阿，为什么啊？？？
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