英语词汇positive closure怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	positive closure
释义	positive closure 简明释义正闭包网络释义 1 ?正闭包 ...∑13={000,001,010,011,100,101,110,111} 2.2 基本定义? 定义 3 设∑是一个字母表，是一个字母表，∑的正闭包(Positive Closure)：234? ∑+=∑∪∑2∪∑3∪∑4∪…… 短语 1 positive closure of a A的正闭包 2 positive orbit closure 正轨道闭包 3 closure positive shift 正漂移 ; 闭合正偏移 ; 终止正漂移双语例句 1 Positive cardiac remodeling occurs after percutaneous closure of large atrial septal defect, irrespective of the magnitude and length of volume overload. 房间隔缺损封堵术后早期即出现心脏正向重构，且这些变化的程度和时间不受患者接受封堵时的年龄影响。
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