When fields are declared protected, there is the possibility that methods in subclasses will directly access them, effectively increasing the coupling within a class hierarchy.

将字段声明为受保护时，子类中的方法就有可能直接访问它们，这样就可能有效地增加类层次结构中的耦合。

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Each level of decomposition forces design decisions, providing ongoing synthesis, coupling of requirements and design specifications, and increasing system detail.

每个分解级别都强制进行设计决策，提供正在进行的合成，连接需求和设计规格说明，并增加系统详细内容。

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The degree of polarization (DOP) in a single-mode fiber with random mode coupling has proved to be impossible to approach zero with increasing fiber length.

从理论上证明了在具有随机耦合的单模光纤中，偏振度并不随光纤总长度的增加而趋向于零。

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