Chinese Version(中文版)
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EBooks(电子书)
Soroban
[sɔrәbәn]
Examples
The
next
adding
and
calculating
machine
was
an
evolution
from
the
digits
of
the
human
hand
and
is
known
as
the
abacus
in
China
,
and
the
soroban
in
Japan
.
Various.
The Wonder Book of Knowledge
.
Typist: Sadie
