Associativity: when merging three (or more) states, it doesn’t matter which are merged first; (A ∨ B) ∨ C = A ∨ (B ∨ C). If Alice receives states from both Bob and Carol, she can merge them into her own state in any order and the result will be the same.4
守护“电力心脏”：特高压换流变压器油实现自主可控
，这一点在体育直播中也有详细论述
Что думаешь? Оцени!。业内人士推荐体育直播作为进阶阅读
Иван Бубновэксперт Центра международного взаимодействия и сотрудничества，更多细节参见体育直播