In this article the problem of whether the T-matrix can also be used to generalize the summation for series of functional terms is discussed.

我们所关心的是函数项级数可否通过T矩阵广义求和。本文对这个问题进行了探讨。

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Because their primary purpose is not functional, they are only limited in terms of the materials used to make them.

因为它们的主要用途不是功能性的，所以它们只在制造材料方面受到限制。

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Functional requirements are described in terms of use cases.

功能性的需求用使用用例的术语来描述。

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When Ken Lay returned to being CEO of Enron in August 2001, he was told in no uncertain terms that Enron was the functional equivalent of a ticking time bomb--the looming losses were that severe.

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Neither keyboard compares to a traditional laptop in terms of accuracy, ease of use, and comfort but they are close enough to be functional.

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