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検索内容:
universal grammar
noun
Herbrand universe
noun
universal lever
noun
universal chuck
noun
universal instrument
noun
(astronomy)
A
kind
of
altitude
and
azimuth
instrument.
The
object
end
of
the
telescope
is
placed
at
right
angles
to
the
eye
end,
with
a
prism
of
total
reflection
at
the
angle,
and
the
eye
end
constitutes
a
portion
of
the
horizontal
axis
of
the
instrument,
having
the
eyepiece
at
the
pivot
and
in
the
center
of
the
altitude
circle,
so
that
the
eye
has
convenient
access
to
both
at
the
same
time.
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