单词ordinal--numbers
n.: “ordinal number”的复数
网络: 序数；序数词；序数数字
For dealing with infinite collections, the natural numbers have been generalized to the ordinal numbers and to the cardinal numbers.
为处理无限集合，自然号码已推广到序数和基数。
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。
bananas apples pears oranges cabbages C Numbers Write these ordinal numbers in words.
用英语序数词表示以下数字。
originally it knows only ordinal numbers, not cardinal numbers.
最初，只知道序数，而不知道基数。
197 spare parts ordinal numbers in the assemble bodies can show an item number, amount or be worth from the definition.
装配体中的零件序号可显示项目号、数量或自定义值。
Write these ordinal numbers in words.
用英语序数词写出以下数字。
Know the difference between ordinal numbers and cardinal numbers.
对比基数词和序数词的不同。
You need to use ordinal numbers here.
这里需要用序数。
Remember to use ordinal numbers for dates in English.
记得在说日期时要使用序数词。
a system for measuring fire accuracy and the ordinal numbers of bullets
带弹序立靶精度测试系统