A single beam may join 8th notes or quavers , with a double beam for 16th notes or semiquavers , a triple beam for 32nd notes , and so on 单连音线可以加在八分音符上，双连音线可以加在十六分音符上，三连音线加在三十二分音符上，以此类推。
2.
Thus a stem with two flags , so called from their appearance , indicates a 16th note or semiquaver , a note of half the duration of a stem with one flag , an 8th note or quaver , and so on 带两个符尾的符干，以其外形得名，表示一个16分音符，带一个符尾的符干，表示一个8分音符，以此类推。
3.
A 64th note or hemidemisemiquaver is indicated by the symbol xxx and is equivalent in duration to half a 32nd note or demisemiquaver , a quarter of a 16th note or semiquaver , an eighth of an 8th note or quaver , a sixteenth of a quarter note or crotchet , a thirty - second of a half note or minim , and a sixty - fourth of a whole note or semibreve 六十四分音符用xxx来表示，等于半个三十二分音符，四分之一的十六分音符，八分之一的八分音符，十六分之一的四分音符，三十二分之一的半音，六十四分之一的全音。
