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[例1]
(a)Beethoven:Sonata No.3 in C major,Op.2 No.3,I(第1~2小节)
![figure_0017_0001](https://epubservercos.yuewen.com/4E862C/18218327008616706/epubprivate/OEBPS/Images/figure_0017_0001.jpg?sign=1739295828-KFV6D1XT5i5ONdV5Ni7W2ri6kGiHGB3j-0-ae8255a2402de0e1b8eef5b656729d68)
(b)Beethoven:Sonata No.1 in f minor,Op.2 No.1,Ⅰ(第1~2小节)
![figure_0018_0002](https://epubservercos.yuewen.com/4E862C/18218327008616706/epubprivate/OEBPS/Images/figure_0018_0002.jpg?sign=1739295828-bBRQl4kXkMD2plUdlyhLSzV8zW1Gyd7e-0-8f3558628a3e6b1c2a23bd13e0d850cf)
(c)Beethoven:Sonata No.16 in G major,Op.31 No.1,Ⅱ(第1~2小节)
![figure_0018_0003](https://epubservercos.yuewen.com/4E862C/18218327008616706/epubprivate/OEBPS/Images/figure_0018_0003.jpg?sign=1739295828-d9dDMhjohD4DmTqyIoMVHWMRorB1hIIA-0-e984cd5277de05031ce19afc18daff6e)
(d)Beethoven:Sonata No.5 in c minor,Op.10 No.1,Ⅰ(第1~4小节)
![figure_0018_0004](https://epubservercos.yuewen.com/4E862C/18218327008616706/epubprivate/OEBPS/Images/figure_0018_0004.jpg?sign=1739295828-MaGjGUtUBfy7Eq7BrAWSGrFgso7C8kif-0-f0846a043fadbc38fee38ada0022a3f2)
上面这个短句,由于速度快,是由四个小节构成的。我们也可将它设想成两个小节等于一个小节。
(e)Beethoven:Sonata No.8 in c minor,Op.13,Ⅰ(第1小节)
![figure_0018_0005](https://epubservercos.yuewen.com/4E862C/18218327008616706/epubprivate/OEBPS/Images/figure_0018_0005.jpg?sign=1739295828-b4s0p1SrOpzQrhGrsuiAV5leBG6onOdP-0-8c5aba8092318bfc5e84e03cb945202c)
这个短句,由于速度慢,只由1个小节构成。我们也可将它设想成两个单位拍等于1个小节。