bì​yào​tiáo​jiàn

necessary condition

必要条件 (必要條件) bì​yào​tiáo​jiàn
necessary condition
a condition that must be satisfied for a statement to be true or an event to occur in logic or mathematics
requirement
an essential prerequisite or factor necessary for a specific result or state

Frequency

Movie subtitles
0.270 per million appears in 0% of films
Written text
2.78 per million

Sources

Definitions
CC-CEDICT