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一一對應

简 一一对应 · 繁 一一對應
Mandarin · pinyin yī yī duì yìng

Meanings

  1. one-to-one correspondence
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Characters in this entry

一
yī · one; a, an; alone
對
duì · correct, right; facing, opposed
應
yīng · should, ought to, must
对
duì · correct, right; facing, opposed
应
yīng · should, ought to, must
Written characters and their own readings; the entry’s pronunciation is shown above.

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Entries containing 一一對應 ↗Words written with 一 ↗Words written with 對 ↗Words written with 應 ↗Words written with 对 ↗Words written with 应 ↗

Mandarin tones

1–1–4–4 · yi1 yi1 dui4 ying4

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Dictionary tones. Connected speech can change their realization.

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Counts describe dictionary records, not word frequency or semantic similarity. Source identities stay separate.
Compare dictionary sources Wiktionary · 1 sense · 1 Cantonese reading

jat1 jat1 deoi3 jing3

Pleco · CC BY-SA 3.0 · Word reading; meanings not aligned.

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

noun

  1. (mathematics) one-to-one correspondence

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack