The equivalence relation defined by the (transitive closure of the) set of imposed constraints implies N L = N L
实施的约束集合（的传递封包）所定义的等价关系表明：NL = N L
The closure can include indirect relation paths as well.
这种闭包也可以包含间接关联路径。
Closure operation of binary relation plays an important role in network, parsing and detection and diagnosis of malfunction in switch circuit.
二元关系的闭包运算在网络、语法分析以及开关电路中的故障检测和诊断等领域有着重要的作用。
The article discussed the applications of the closure algorithm to solve the problem of the functional dependency projection, and the relation decomposition based on BCNF.
文中讨论了闭包算法在函数依赖投影求解以及基于BCNF的关系分解中的应用。
This paper gives a new concept of reflexive closure of fuzzy relation and symmetric closure of fuzzy relation, and also gives operation method and properties about it.
本文定义了模糊关系的自反闭包、对称闭包概念，同时给出了模糊关系的自反闭包、对称闭包的运算方法及性质。打破了在原有的模糊关系只有传递闭包的局面。
Objective: to explore the relation between the seriousness of alexithymia and the prognosis of patients with primary angle-closure glaucoma.
前言：目的：探讨原发性闭角型青光眼病人的述情障碍及其严重程度与预后的关系。
Purpose: Discussing the relation between closure pneumothoraxs air exhaust time and curative effect.
目的：探讨闭合性气胸抽气时间与疗效的关系。
Purpose: Discussing the relation between closure pneumothoraxs air exhaust time and curative effect.
目的：探讨闭合性气胸抽气时间与疗效的关系。
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