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单词
inverse relation
释义
inverse relation
inverse relation
[
¦in‚vərs ri′lā·shən
]
(mathematics)
For a relation
R
, the inverse relation
R
-1
is the relation such that the ordered pair (
x
,
y
) belongs to
R
-1
if and only if (
y
,
x
belongs to
R
.
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更新时间:2026/3/4 1:32:27