原函数是指对于一个定义在某区间的已知函数f(x)，如果存在可导函数F(x)，使得在该区间内的任一点都存在dF(x)=f(x)dx，则在该区间内就称函数F(x)为函数f(x)的原函数。
原函数 [yuán hán shù]
n. antiderivative ; original
adj. primitive
专业释义
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primitive - 引用次数：8
Finally,we depict the primitive of the strong C—integral in terms of the C — variational measures.
最后，利用C—变分测度重新刻画了强C—积分的原函数。
参考来源 - Banachoriginal function - 引用次数：2Absolutely continuity plays an important role in measure theorem, this paper introduces several absolutely continuous, and shows that set-valued functiom defined by set-valued integral also has these continuity about original function.
由于绝对连续性在测度论中占有很重要的地位，我们希望一些重要的结果在单调集值理论中仍然成立，所以本文定义了几种绝对连续性，并说明了由集值积分定义的单调集值集函数关于原函数也具有这几种连续性。
参考来源 - Lebesgueprimary function - 引用次数：1 参考来源 - 高阶导数与原函数统一性的研究 Study on the Unity of the Higherprimitive function
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双语例句原声例句
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它说，如果你对一个函数的梯度做线积分，就能得到原函数。
It tells you, if you take the line integral of the gradient of a function, what you get back is the function.
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它们意味着我们可以，用一些相近的线性公式来替代原函数。
They mean that we replace the function, actually, by some closest linear formula that will be nearby.
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如果把这两个看做等价的，实际上，就是用函数的线性近似式来代替原函数。
And, if we set these things equal, what we get is actually, we are replacing the function by its linear approximation.
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Everyone knows from calculus that if you're trying to find a function about which you know only the derivative, you can always add a constant to one person's answer without changing anything.
学过微积分的人都知道,如果你想根据已知的导数,求出其原函数,你总是可以给某人的答案,随便加一个常数,且不影响结果
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