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单词
biconcave
释义
bi·con·cave
(b
ī
′
k
ŏ
n-k
ā
v
, b
ī
-k
ŏ
n
k
ā
v
′
)
adj.
Concave on both sides or surfaces:
a biconcave lens.
bi
′
con·cav
i·ty
(-k
ă
v
ĭ
-t
ē
)
n.
biconcave
biconcave (left) and biconvex (right) lenses
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更新时间:2025/7/9 15:15:56