就约束力小的一致性而言，科学家把所有这些时间的箭头的表现解释为一个系统的“无序”。
Scientists explain all of these manifestations of the arrow of time in terms of entropy—loosely, the “disorderliness” of a system.
在并行实时数据库中，并发控制协议不仅要满足数据库一致性约束，而且要满足时间约束。
In parallel realtime database systems, concurrency control protocols must not only maintain the consistency constraints, but also meet time constraints.
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