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complementary events
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busin.
相补事件
econ.
互补的事件
math.
相补的事件
;
余事象
;
★
对立事件
complementary event
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bridg.constr.
对立事件
construct.
相补〔对立〕事件
space
互补事件
tech.
相补事件
;
补事件
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