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請輸入英文單字,中文詞皆可:
symmetric
XDict
a
. 對稱的;保持均衡的
PyDict
對稱的;保持均衡的
Taiwan
MOE
computer
dictionary
(
moecomp
)
symmetric
對稱的
Network
Terminology
(
netterm
)
symmetric
對稱
WordNet
(
r
)
3
.
0
(
2006
) (
WordNet
)
symmetric
adj
1
:
having
similarity
in
size
,
shape
,
and
relative
position
of
corresponding
parts
[
synonym
: {
symmetrical
}, {
symmetric
}]
[
ant
: {
asymmetric
}, {
asymmetrical
}]
The
Collaborative
International
Dictionary
of
English
v
.
0
.
48
(
gcide
)
Symmetric
\
Sym
*
met
"
ric
\,
a
.
Symmetrical
.
[
1913
Webster
]
The
Free
On
-
line
Dictionary
of
Computing
(
foldoc
)
1
.
A
{
relation
}
R
is
symmetric
if
,
for
all
x
and
y
,
x
R
y
=>
y
R
x
If
it
is
also
{
antisymmetric
} (
x
R
y
&
y
R
x
=>
x
==
y
)
then
x
R
y
=>
x
==
y
,
i
.
e
.
no
two
different
elements
are
related
.
2
.
In
{
linear
algebra
},
a
member
of
the
{
tensor
product
}
of
a
{
vector
space
}
with
itself
one
or
more
times
,
is
symmetric
if
it
is
a
{
fixed
point
}
of
all
of
the
{
linear
isomorphisms
}
of
the
tensor
product
generated
by
{
permutations
}
of
the
ordering
of
the
copies
of
the
vector
space
as
factors
.
It
is
said
to
be
antisymmetric
precisely
if
the
action
of
any
of
these
linear
maps
,
on
the
given
tensor
,
is
equivalent
to
multiplication
by
the
sign
of
the
permutation
in
question
.
(
1996
-
09
-
22
)
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