English Version(英文版)
|
EBooks(电子书)
Comptometer
[kɒmp'tɒmitә]
例句:
The
Comptometer
used
in
banks
is
a
species
of
typewriter
,
as
is
also
the
Dudley
adding
and
subtracting
machine
,
known
as
the
Numerograph,
and
covered
by
patents
Nos.
Edward W. Byrn.
十九世纪发明进展
.
校对:史蒂文
