Tiam-cheng (sio-si ) s? ke-s?g, piau-s? si-kan e tan-?i , s? chi?t-ge mi-ji?t (am-mi kau ji?t-si) e j?-cha?p-si h?n chi-it. La?k-cha?p hun-cheng s? ho chi?t-tiam-cheng.

hian l?n pian SI tan-?i Authority: International System of Units (BIPM) Ki-pun tan-?i ampere bio candela kelvin kong-chhioh kong-kin mol Ian-seng tan-?i becquerel bo?-lu-to?h coulomb farad gray henry hertz joule katal liap-s? lumen lux newton oa ohm pascal radian siemens sievert steradian tesla weber Peng-i?ng tan-?i bar dalton decibel electronvolt hun-cheng kak-t?? kang kong-kheng li?p minute of arc neper second of arc thian-bun tan-?i tiam-cheng tonne goan-chu tan-?i ch?-jian tan-?i Ki-thaⁿ Tan-?i e o?ⁿ-s?g SI j?-thau Proposed redefinitions Systems of measurement L?i-pia?t