《换元》是连载于起点中文网的一本科幻幻想类小说,作者是秋风02。
... change of subject主项变换 change of variable换元;变量的换 characteristic equation特征(征)方程 ...
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换元法 method of substitution ; U-Substitution
可转换元素 [核] fertile element
置换元素 [化学] substitutional element
转换元件 Transducing element
替换元素 replaced element ; block-level and replaced elements
非置换元素 non-replaced element
电感转换元件 Inductive transduction element
应变转换元件 Strain gauge transduction element
压电转换元件 Piezoelectric transduction element
之后我会讲到换元和Jacobian的,我认为这是不同的主题。
I will get to change variables and Jacobian soon, but I'm thinking of this as a different topic.
我们现在来说明积分的换元公式也一样好记。
We shall now show that the change of variable formula for integrals is just as unforgettable.
第二类换元法是一种既重要又不易掌握的积分方法。
The second method of transformation is an important but not-easy-to-master calculus method.
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