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单词
quadratic form
释义
quadratic form
Math.
a polynomial all of whose terms are of degree 2 in two or more variables, as 5
x
2
- 2
xy
+ 3
y
2
.
[
1855-60
]
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sergeantfish
sergeant major
sergeanty
Sergipe
Sergius I
Sergius II
Sergius III
Sergius IV
Sergiyev Posad
Seri
serial
serial-access
serial comma.
serialism
serialize
serial monogamy
serial number
serial rights
serial technique.
seriate
seriatim
seriation
seric-
sericate
sericeous
英语词典包含168451条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/9/11 13:51:26