• 2022-07-28
    绝热边界节点的差分表达式为( )
    A: [img=471x73]18039f5ba030350.png[/img]
    B: [img=369x79]18039f5bacadbbc.png[/img]
    C: [img=302x62]18039f5bb824a1d.png[/img]
    D: [img=323x58]18039f5bc324b79.png[/img]