វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Radius vector
Same as:
vector
ENGLISH MEANING
noun
1.
An
ideal
straight
line
joining
the
center
of an
attracting
body
with
that
of a
body
describing
an
orbit
around
it, as a
line
joining
the
sun
and a
planet
or
comet
, or a
planet
and
its
satellite
.
1.
A
straight
line
(or the
length
of
such
line
)
connecting
any
point
, as of a
curve
, with a
fixed
point
, or
pole
,
round
which
the
straight
line
turns
, and to
which
it
serves
to
refer
the
successive
points
of a
curve
, in a
system
of
polar
coordinates
.