• 2022-06-30
    下面哪一项不是分布曲线的特性( )
    A: [img=865x33]1803a6f2932cd9b.jpg[/img]
    B: [img=865x33]1803a6f2ac1c3a9.jpg[/img]
    C: [img=866x33]1803a6f2b80c875.jpg[/img]
    D: [img=865x65]1803a6f2c2876dd.jpg[/img]