• 2022-05-31 问题

    以下类方法定义正确的是() A: class Student: fav=("唱歌","跳舞","绘画") def showFav(cls): for item in cls.fav: print(item) B: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in fav: print(item) C: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in cls.fav: print(item) D: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(): for item in fav: print(item)

    以下类方法定义正确的是() A: class Student: fav=("唱歌","跳舞","绘画") def showFav(cls): for item in cls.fav: print(item) B: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in fav: print(item) C: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in cls.fav: print(item) D: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(): for item in fav: print(item)

  • 2022-05-31 问题

    以下类方法定义正确的是() A: class Student: fav=("唱歌","跳舞","绘画") def showFav(cls): for item in cls.fav: print(item) B: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in fav: print(item) C: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in cls.fav: print(item) D: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(): for item in fav: print(item)

    以下类方法定义正确的是() A: class Student: fav=("唱歌","跳舞","绘画") def showFav(cls): for item in cls.fav: print(item) B: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in fav: print(item) C: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(cls): for item in cls.fav: print(item) D: class Student: fav=("唱歌","跳舞","绘画") @classmethod def showFav(): for item in fav: print(item)

  • 2022-07-24 问题

    当中压级供气时,压力调节是由哪个活门完成? A: PRV B: FAV C: PT

    当中压级供气时,压力调节是由哪个活门完成? A: PRV B: FAV C: PT

  • 2022-07-24 问题

    当中压级供气时,压力调节是由哪个活门完成?() A: PRV B: FAV C: PT D: HPV

    当中压级供气时,压力调节是由哪个活门完成?() A: PRV B: FAV C: PT D: HPV

  • 2022-06-19 问题

    恒温控制器TCT的作用是?() A: 控制PRV下游压力 B: 控制PRV下游温度 C: 超控OPV D: 控制FAV开度

    恒温控制器TCT的作用是?() A: 控制PRV下游压力 B: 控制PRV下游温度 C: 超控OPV D: 控制FAV开度

  • 2022-06-25 问题

    ()一种流媒体封装格式,由于它形成的文件极小、加载速度极快,使得网络观看视频文件成为可能,因此FLV格式成为了当今主流视频格式 A: FLV B: FAV C: FLY D: FALV

    ()一种流媒体封装格式,由于它形成的文件极小、加载速度极快,使得网络观看视频文件成为可能,因此FLV格式成为了当今主流视频格式 A: FLV B: FAV C: FLY D: FALV

  • 2021-04-14 问题

    3-6-2 图中拱轴线的方程为y=4fx(l-x)/l2,l=16m,f=4m。竖向支座反力FAV=____(向上为正)<br><img src="http://sc0.ykt.io/ue_i/20191222/1208579781570990080.jpg" alt="3-6.jpg" class="loadingclass"/>

    3-6-2 图中拱轴线的方程为y=4fx(l-x)/l2,l=16m,f=4m。竖向支座反力FAV=____(向上为正)<br><img src="http://sc0.ykt.io/ue_i/20191222/1208579781570990080.jpg" alt="3-6.jpg" class="loadingclass"/>

  • 2022-07-29 问题

    设矩阵[tex=9.143x3.929]hB8sGfF8hpZRTKdvt1J/eF5UihMZTkYM0iToaVZXxrhKYbSpX82Rx2yzOV3K30oPsNygeV8dEkcrb8BL1IodjM+B7IaW+wfOqW2jFEx2Ey4Lqr9nwYbXomAFRyH9N0Fm[/tex],已知矩阵[tex=0.929x1.0]FV0k2T/xaj6dPCbFnkB3/g==[/tex]有三个线性无关的特征向量,[tex=1.929x1.0]gxrfjGywTmMyUTlzuOosYw==[/tex]是矩阵[tex=0.929x1.0]FV0k2T/xaj6dPCbFnkB3/g==[/tex]的二重特征值,试求[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]与[tex=0.5x1.0]iwXm0SwS+lfupyC0IyH8yQ==[/tex]的值,并求出可逆矩阵[tex=0.786x1.0]eh2CuRqBLsAEAbb2XRxaBg==[/tex],使[tex=3.286x1.214]FAv/Fjr6VfHNhhy7WPGU7PpaYjXUix1NT56XkKZGZQ7vYMtBM/xO8CjcaJ0LHmqI[/tex]成为对角矩阵.

    设矩阵[tex=9.143x3.929]hB8sGfF8hpZRTKdvt1J/eF5UihMZTkYM0iToaVZXxrhKYbSpX82Rx2yzOV3K30oPsNygeV8dEkcrb8BL1IodjM+B7IaW+wfOqW2jFEx2Ey4Lqr9nwYbXomAFRyH9N0Fm[/tex],已知矩阵[tex=0.929x1.0]FV0k2T/xaj6dPCbFnkB3/g==[/tex]有三个线性无关的特征向量,[tex=1.929x1.0]gxrfjGywTmMyUTlzuOosYw==[/tex]是矩阵[tex=0.929x1.0]FV0k2T/xaj6dPCbFnkB3/g==[/tex]的二重特征值,试求[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]与[tex=0.5x1.0]iwXm0SwS+lfupyC0IyH8yQ==[/tex]的值,并求出可逆矩阵[tex=0.786x1.0]eh2CuRqBLsAEAbb2XRxaBg==[/tex],使[tex=3.286x1.214]FAv/Fjr6VfHNhhy7WPGU7PpaYjXUix1NT56XkKZGZQ7vYMtBM/xO8CjcaJ0LHmqI[/tex]成为对角矩阵.

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