ǒu​hé

copula

耦合 ǒu​hé
copula verb
a specific mathematical function used in statistics to describe the dependence between multiple random variables
coupling verb
the interaction, connection, or transfer of energy between two systems; to be linked or joined together

Frequency

Movie subtitles
0.240 per million appears in 0% of films
Written text
1.84 per million

Sources

Definitions
CC-CEDICT