请输入您要查询的英文单词:
单词
exact differential
释义
exact differential
noun
:
a differential expression of the form
X
1
dx
1
+…+
X
n
dx
n
, where the
X
's are the partial derivatives of a function
f
(
x
1
…
x
n
), with respect to
x
1
…
x
n
respectively
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更新时间:2026/5/12 4:56:56