但对露卡来说，至少还存在一种可行的替代方案：即整个系统的镜像模式。

But there is at least one viable alternative to LUCA: the mirror image of the entire system.

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镜像模式：镜像模式适用于游戏，需要流数据从CD或DVD在游戏中直接支持。

Image mode: Image mode adds support for games that need to stream data directly from the CD or DVD during game play.

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当我们援用镜像映象模式时，我们基本上是先分析某一外部实体的的行为特征，然后在我们自己的系统中创建它的相似体。

Basically, when we invoke the Mirror Image pattern, we analyze the behavior of an external entity and then create its likeness in our own system.

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