Our secondary criterion was to redesign the system in such a way that we could allow for replicas of an R&R database on multiple servers.

我们的次要标准是以这样一种方式重新设计系统，即我们应该允许 R&R 数据库在多个服务器上的副本。

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While the simplest way to avoid class loader constraint violations is to only have one copy of a class in the system, it is sometimes necessary to have multiple versions.

虽然避免类装入器约束违反的最简单方法是在系统中只有类的一个副本，但有时拥有多个版本也是有必要的。

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Examining a system from multiple perspectives while simultaneously trying to satisfy dozens of nonfunctional constraints might seem like a way to compound development complexity, not reduce it.

在同时尝试满足许多非功能约束时，从多个透视图来检查一个系统可能看起来是一种复合开发复杂性的方式，而不是减少它。

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The system on its way to the island is part of a "layered" defense giving the military multiple opportunities to shoot down incoming missiles and warheads before they reach their targets.

NPR: North Korea Threats Spark Buzz On Guam, Not Panic