An ordinal number indicating an initial point or origin.

零:序数中表示最初的点或原点.

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The ordinal number matching the number 80 in a series.

第八十在一列中相应于80的序数.

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The ordinal number matching the number 50 in a series.

第五十在一系列中排于第50的序数.

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The numerals in Zunyi dialect can be divided into cardinal number, round number and ordinal number.

遵义方言的数词可分为基数词 、 概数词和序数词.

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Phenomenon of Moire fringe is explain by ordinal number equation and diffraction theory respectively.

对莫尔条纹现象,分别用序数方程原理与衍射干涉原理解释粗光栅、细光栅的莫尔条纹现象.

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