别名是一种简单的机制，允许您为给定的序列提供展开形式。

Aliases are a simple mechanism that enable you to provide an expansion for a given sequence.

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其他受支持机制包括序列和表生成。

Other supported mechanisms include sequence and table generation.

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使用这些序列化机制时，被重建的对象将失去原对象的相关标识，所有必须特别注意单例对象是否依然是单例的。

With all those mechanisms, a reconstituted object loses its referential identity, and you have to consider carefully whether your singleton is still a singleton.

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You have mechanisms inside your natural mechanisms inside your cell that allow the cells to degrade unwanted RNA sequences.

人体内细胞的这种自然机制,有助于细胞降解不需要的RNA序列

耶鲁公开课 - 生物医学工程探索课程节选