For a general treatment of this unit, see chi.
In Taiwan, 20ᵗʰ century, = 10 ts'un = ¹⁰⁄₃₃ meter, 0.303… m (about 0.99429 foot), which is ¹⁰⁄₁₁ of the market system ch'ih.
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Last revised: 15 September 2001.