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序数

na.ordinal; ordinal number
网络Ordinal Numbers; ordinals; cardinal number

序数

英-汉网络释义

序数

na.

1.ordinal; ordinal number

2

The lexicographical order on the Cartesian product of a set of totally ordered sets indexed by an ordinal, is itself a total order .

在用一个序数索引的那些全序集合的笛卡尔积的一个集合上的词典序自身是全序。

3

And the prediction was that the element with that atomic number existed somewhere, but it just hadn't been found yet .

那么，预言就是，那个原子序数的元素是存在的，只是没有被发现。

4

No change in atomic number is possible without a radical change in properties .

性质不发生根本的改变，原子序数的改变是不可能的。

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The higher the ordinal number of the lightning protection zones is , the smaller must be the electromagnetic threat parameters .

雷击保护区域的序数越大，电磁威胁参数就越小。

10

Atomic number of the material used as target is the most fundamental factor which affects X-ray production and conversion efficiency.

靶材，即原子序数的选取是决定产生这一波段辐射的基本因素。

11

These identifiers are composed of an array of color blocks that encodes an ordinal which represents the intended presentation order .

这些标识符由一批彩色模块组成，这批模块对一个表示预期展示顺序的序数进行编译。

12

To the chemist the "kind " of atom is specified by its atomic number , since this is the property that determines its chemical behavior .

对 “类 ”药剂师的原子序数指定它，因为它的性质是决定其化学行为的影响。

15

Nickel Metallic chemical element , one of the transition elements , chemical symbol Ni , atomic number 28 .

金属化学元素，过渡元素之一，化学符号 ni ，原子序数 28 。

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The atomic number represents the number of nuclear protons or, in the undisturbed state , the number of extranuclear electrons .

原子序数表示原子核内质子的数目，也是在未被干扰的状态下核外的电子数。

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Strontium Chemical element , one of the alkaline earth metals , chemical symbol Sr , atomic number 38 .

化学元素，碱土金属之一，化学符号 sr ，原子序数 38 。

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Transuranium element Any of the chemical elements after uranium in the periodic table (with atomic numbers greater than 92 ).

周期表中铀以后的任何化学元素（原子序数大于 92 ）。

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Atoms having the same atomic number Z, but different numbers of neutrons N are called isotopes of the element .

原子持相同的原子序数 Z ，但不同的中子数 N 被称为元素同位素。

26

The advantages of employing Cerenkov detectors in material effective atomic detection of dual-energy X-ray beams are reported.

介绍了采用切伦科夫探测器在高能双能 X 射线物质有效原子序数检测中的应用优势。

27

The filter is constructed as a sandwich from three materials of different atomic number .

屏蔽物由不同原子序数的三种物质的夹层组成。

29

Similar with English, numerals are classified into two groups: cardinal numbers and ordinal numbers .

数词表示数目的词。分为基数、序数两大类。

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