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positive element

  • n. 阳极板;阳性元素;[地理] 正相单元;积极因素

专业释义英英释义

  • 正元素
  • 正相单元,相对上升区
    阳性元素

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Positive element

  • abstract: In mathematics, especially functional analysis, a self-adjoint (or hermitian) element A of a C*-algebra \mathcal{A} is called positive if its spectrum \sigma(A) consists of non-negative real numbers. Moreover, an element A of a C*-algebra \mathcal{A} is positive if and only if there is some B in \mathcal{A} such that A = B^* B.

以上来源于: WordNet

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双语例句权威例句

  • youdao

  • However, I do think that an element of stress is a good thing, and if used the right way, can actually be a positive thing.

    然而认为压力元素确实好事,如果处理得当,它实际上是可以带来积极影响的事。

    youdao

  • I do think that an element of stress is a good thing, and if used the right way, can actually be a positive thing.

    认为有一点压力好事如果处理得当实际上是可以带来积极影响

    youdao

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