英文单词:bijection

中文含义:双向映射

英语词性:noun

美式音标:/baɪˈdʒɛkʃən/

同义词:one-to-one correspondence

易混淆单词:injection、surjection

双语例句:

1. The function is a bijection if and only if it has both an inverse and a converse.

这个函数是双向映射,当且仅当它具有反函数和反转。

2. We can construct a bijection between the set of rational numbers and the set of integers.

我们可以构造一个从有理数集合到整数集合的双向映射。