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单词
cartesian oval
释义
cartesian oval
cartesian oval
[
kär′tē·zhən ′ō·vəl
]
(mathematics)
A plane curve consisting of all points
P
such that
aFP
+
bF
′
P
=
c,
where
F
and
F
′ are fixed points and
a, b,
and
c
are constants which are not necessarily positive.
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更新时间:2025/2/28 10:27:53