The compiler layer contains the object models that correspond with information exposed at each phase of the compiler pipeline, both syntactic and semantic.
This pipeline plan adds another layer to the story of spirit bears and to the challenges they face.
这条输油管会给白灵熊的故事笼罩一层灰霾，还将增加它们面临的生存威胁。
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One downside of the Web Forms framework is that behind this abstraction layer, Microsoft built a very complex engine that has many side effects in the Page pipeline.
Web Forms框架的缺点之一，就是微软在这个抽象背后构建了一个非常复杂的引擎，它给页面的执行过程带来了许多的负面效应。