充要条件
Traditional form:
充要條件
Pinyin (reading):
chōngyàotiáojiàn
Definitions:
- necessary and sufficient condition
Characters:
- 充 - to fill, to supply; to be full
- 要 - essential, necessary; to ask for; to coerce; to demand
- 条 - clause, condition; string, stripe
- 件 - item, matter; component, part; measure word for events
Traditional characters: