• 2022-07-22
    核衰变方程式[img=154x28]18031a0aa5036d5.png[/img]
    A: [img=12x14]18031a0aad58232.png[/img]
    B: [img=22x25]18031a0ab5b643d.png[/img]
    C: [img=22x25]18031a0abd67ca5.png[/img]
    D: [img=10x18]18031a0ac5ab327.png[/img]