这个全音符，很明显，可以再分为两个半音符，每个半音符又可以再细分为两个四分之一音符，每个四分之一音符可以再分为两个八分之一音符，等等。
And this whole note obviously can be subdivided into two half notes and each of the half notes into two quarter notes each of these quarter notes into two eighth notes, and so on.
阀杆日开始，你给一个四分之一转，再算上三辐条和加强四分之一转，因此左右车轮上。
Starting at the valve stem you give a quarter turn, and then count three spokes and tighten a quarter turn, and so on around the wheel.
阀杆日开始，你给一个四分之一转，再算上三辐条和加强四分之一转，因此左右车轮上。
Starting at the valve stem you give a quarter turn, and then count three spokes and tighten a quarter turn, and so on around the wheel.
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