modulen.组件；单元；模块；模数；(航天器的)舱；（组成一门课程的）独立单元module mapping模块映射module masking模屏蔽, 模掩蔽module testing组件测试module address模块地址module bundles模丛module maximum模极值module pattern模块式module systems模系module of gear齿轮模数module package模块封装

1. First, we must explicitly put the module name in every function definition.
   首先，我们必须在每个函数定义中显式地放入模块名。
2. A module is identified by its module name and its fully qualified file path.
   模块由其模块名和完全限定的文件路径标识。