不确定 bùquèdìng uncertain Definitions Defs Origin Strokes Stroke Words Sentences Sents 不确定性 bùquèdìngxìng uncertainty the state of being unsure or the quality of being unreliable; uncertainty; indeterminacy不确定性原理 bùquèdìngxìngyuánlǐ uncertainty principle Heisenberg's uncertainty principle, formulated in 1927
