导入符号完成，使在当前项目中完成类型名名称和扩展方法成为可能。它也在需要的时候自动添加适当的using引用。

Import Symbol Completion, completes the names of types and extension methods available in the current project; it also automatically adds the appropriate using directives when necessary.

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“绑定包的名称”是绑定包文件的名称减去语言环境符号和扩展名(在上面的示例中，绑定包的名称是messages)。

The "bundle base name" is the name of the bundle file minus the locale specifier and extension (in the example above, the bundle base name is messages).

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Rock Ridge：是对ISO - 9660的扩展，它允许长文件名和UNIX样式的符号链接；保留了所有文件属性，如所有权和许可权。

Rock Ridge: Extensions to ISO-9660 allowing long filenames and UNIX-style symlinks; preserves all file attributes, such as ownership and permissions.

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