篪(ch)是一种古老的边棱型吹管乐器,它的尾端封闭。这个封闭物叫“底”。有“底”是篪与笛的主要区别。这种古老的乐器鲜为人知,近年虽曾在《编钟乐舞》的演奏中出现,但没有引起很大反响,乐器的功能也亟待开发。 Chi (ch) is an ancient edge-type wind instruments, its end closed. This closure is called “bottom.” The “bottom” is the main difference between chi and flute. This ancient musical instrument is notoriously unknown. Although it appeared in the performance of “chimes and beats” in recent years, it has not aroused great repercussions and the functions of musical instruments are still to be developed urgently.