本文的第二个贡献是，针对SVC的编码模式选择，我们考察了在具有丢失感知的率失真优化中拉格朗日乘子的选择方法。

In the second contribution, we formulate mode decision of loss-aware rate distortion optimization (LA-RDO) with Lagrange multiplier selection in SVC scenarios.

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突然之间所有的事物都变成了一种模式，从持有一个编码标准到支持代码走查以及选择一个程序设计的语言。

Suddenly everything is a pattern, from having a coding standard to holding code reviews and selecting a programming language.

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首先，它有两种模式(即可以由编码器选择)：快速模式和普通模式。

First, it has two modes (which can be chosen by the encoder) : a fast mode and a normal mode.

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