Wikipedia (ch?-iu e pek-kho-choan-su) beh k? li kong...
Goan-chu chit-li?ng
(
Eng-gi
:
atomic mass
), hu-h?
m
a
, s? chi?t lia?p
goan-chu
e chit-li?ng. It-poaⁿ ?ng e tan-?i s?
thong-it goan-chu chit-li?ng tan-?i
(unified atomic mass unit).
?ng-lai biau-su?t
goan-so?
seng-chit e siong-koan kai-li?m s?
goan-chu t?ng-li?ng
(siong-tui goan-chu chit-li?ng).