序数和 ordinal sum
- 金与碘相比,有着更高的原子序数和X射线吸收系数。
Compared with iodine, Gold has a larger atomic number and X-ray absorption coefficient. - 数字包括两种类型:基数词和序数词。
Numerals consist of two types: cardinal numerals and ordinal numerals. - 效用又分为基数效用和序数效用。
Utility can be divided into cardinal utility and ordinal utility.
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