本部分首先阐明与SIB相关的技术术语，并通过将其加入层模型中来设定它们彼此之间的关系。

First, ly, the SIB related technical terms are clarified and set in relation to each other by joining them into a layer model.

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他的建议是为技术栈中的每一层都设定一个计划，同时设定一个主计划来治理这些解决方案。

His advice is to have a plan for each layer in the technology stack and a master plan to govern these solutions.

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你还可以选择某一层，按Ctrl+Alt+B设定工作区域和这个层一样，如果没有选中层，则工作区域被设定为整个合成的长度。

You can select certain layers and hit Control+Alt+B to set your work area to the duration of those layers, or if no layers are selected it will reset the work area to the entire comp.

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