The modulename specification states what module the wrapper will be in.

modulename规范声明包装器将在什么模块中。

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The "-m" argument says to take whatever follows and import it as a module, like a "use ModuleName" in a regular script.

“- m”参数表示获取其后的任何内容并将该内容作为模块导入，类似于正规脚本中的“use ModuleName”。

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