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Sid
[sid]
例句/造句/用法:
For
example
,
the
sid
e
of
a
hexagon
inscribed
in
a
circle
is
equal
to
the
radius
,
and
is
the
chord
of
60°,
or
of
the
sixth
part
of
the
circle
.
李貝.
西洋科學史
.
安德烈整理
