1.
The Degree Symmetry of the Compact Manifolds with the First Betti Number b1=2
第一Betti数b_1=2的紧致流形的对称度
2.
Betti Numbers of the Equal Value Surface of a Bott Function;
Bott函数等值面的Betti数
3.
Betti Deficiency of 3-Edge Connected Graphs with Odd Degree Vertices
3-边连通图的Betti亏数与奇度点
4.
'1st' is an ordinal.
‘第一’是序数词。
5.
The ordinal number matching the number four in a series.
第四一序数词，一列数中的第四个
6.
" 1st, 2nd, and3rd are all ordinals."
第一、第二和第三都是序数。
7.
Subtract the number in Step 2 from the number in Step 1.
用第一步中数字减去第二步的数字。
8.
First, second, third, fourth and so on. We call them ordinals.
第一，第二，第三，第四等等。我们称之为序数。
9.
The first comprises the greater part of our rural areas, the second a section of the smaller part of our rural areas and the third the remainder.
第一种多数地区，第二种一部分少数地区，第三种又一部分少数地区。
10.
double crown
双冠军(打击率第一和本垒打数第一)
11.
Cardinal numbers: Normal sequence of numbers, one, two, three, as compared with ordinal numbers, first, second, third, etc.
基数:数字的常规次序,如一,二,三等;以别于[序数],如第一,第二,第三等.
12.
The ordinal number matching the number one in a series.
第一一个系列中的相配数字一的序数
13.
The first transfinite number.
阿列夫零第一个超穷数
14.
But she came in last in every race.
但每次都是倒数第一，
15.
the penultimate letter of a word
一词的倒数第二个字母
16.
the first element in a countable series.
可数序列的第一个成分。
17.
An Extension of the Generalized Stirling Numbers of First Kind;
广义第一类stirling数的推广
18.
The total of the figures in the first column should balance with the total of those in the third.
第一栏的总数应该与第三栏的总数相一致。