一一对应

Traditional form:

一一對應

Pinyin (reading):

yīyīduìyìng

Definitions:

• one-to-one correspondence

Characters:

• 一 - one; a, an; alone
• 一 - one; a, an; alone
• 对 - correct, right; facing, opposed
• 应 - should, must; to respond, to handle; to deal with, to cope

Traditional characters:

• 一 - one; a, an; alone
• 一 - one; a, an; alone
• 對 - correct, right; facing, opposed
• 應 - should, must; to respond, to handle; to deal with, to cope