#1ErrorDuplicateDesignatorslin.SchAt(739,514)Andlin.SchAt(759,664)那个是原理图中有定名反复的处所，坐标(739,514)(759,664）；#2WarningUnconnectedInputPinOnNetNetU5A_1lin.Sch(U5A-1@610,650)是警告，一般不会影响电路板的印造；#4ErrorFloatingInputPinsOnNetNetU5A_1Pinlin.Sch(U5A-1@610,650)能够理解为错误的浮置引脚，详尽的就要看你的芯片引脚了NetU5A_1
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