模型放在包含表单的XHTML文档head中，和title、meta以及属于head的其他任何标签相邻。

The model is placed in the head of the XHTML document containing the form, next to the title, meta tags, and anything else that belongs in the head.

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这个模型当然有一些不现实：单元不会只根据它周围的温度进行调整而不去影响它相邻的单元。

This model is a bit unrealistic, of course: cells pick up on the temperature around them but do not impart a differential back to their neighbors.

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在开放系统互连模型中两个相邻层间的边界。

The boundary between two adjacent layers in the OSI model.

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