Finally, it is pointed out that the directional differentiability is equivalent to the quaSi-differentiability in one-dimensional space.

最后指出了在一维情形下方向可微与拟可微是等价的。

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In this paper, the star-kernel of a quasi-differentiable function in one-dimensional space is studied.

本文在一维情形下对拟可微函数的星核进行了讨论，证明了拟微分星-有界等价子类的存在性；

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Unlike conventional cameras, our femto camera captures an image as one thin slice at a time of one-dimensional space using a "streak tube, " a laboratory instrument that is commonly used by chemists to study light passing through chemical samples.

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Likewise, one learns to cope with the infinitely dimensional space of quantum theory.

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