Every application using the framework contains a root module and may also contain one or more sub modules.

使用该框架的每个应用都包含一个根模块，还可以包含一个或多个子模块。

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At some point, a module cannot be broken further down into sub-modules.

有些情况下，一个模块看上去不能再被划分成子模块了。

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Figure 2 shows the module from the technology point of view and illustrates the various sub-components and the interaction between these different technologies.

图2显示模块的技术视图，展示各个子组件和这些不同技术之间的交互。

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The biggest technological challenge will be transporting the collapsed module through the sub-zero temperatures of space without tearing or cracking any part of it, Miller said.

NPR: Space Station To Get $18 Million Balloon-Like Room