The primary use of virtual mode, however, is to optimize performance when interacting with large amounts of data.

不过虚拟模式的主要用途，是在与大量资料互动时最佳化效能。

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When you are implementing virtual mode, you will need to track when a new row is needed in the data model and when to rollback the addition of the new row.

在实现虚拟模式时，您需要跟踪数据模型中何时需要新行，以及何时回滚新行的添加操作。

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The aim is to find and fix the biggest problems in virtual mode, before ground is struck in December.

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For example, the virtual mode is ideal for enhancing traditional two-channel stereo sources such as a CD by creating rear ambience.

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Used with the surround speakers attached, the HTL9100 operates as a single sidebar offering high quality stereo or a wide sound stage via virtual surround sound mode.

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